League Lineup Is Shutting Down. Your League Doesn’t Have To.

We know this transition wasn’t your choice — and we’re here to make it as easy as possible. TeamSideline has helped leagues migrate from platforms just like League Lineup, with free setup, free training, and a team that actually picks up the phone.

We simplify league management for sports organizations

A modern one-stop website with everything you need in sports league management software including registration, game scheduling, communications and more.

Soccer player kicking the ball in mid-air; white and blue uniform; motion blur.

League Management Software

All-in-One League Management Software to Save Time & Grow Your Organization

Running a league is complex. We make it simple. TeamSideline puts everything in one place: registration, scheduling, communication, payments, and more. No more juggling multiple tools, just smooth, affordable management.


Perfect for youth sports and adult leagues, TeamSideline keeps coaches, players, parents, and officials connected while giving you complete control.

Coach pointing at a play diagram on a clipboard, explaining to two players on a green field.
Baseball coach talking to a player on the field, grey uniform, blue shirt, sunny day.
Diagram of a trophy above two circles, connected by lines, likely representing a ranking or achievement.

15+ years helping leagues simplify management

Black handshake with document above it.

No contracts, no player fees, no hidden costs

Person with a baseball cap holding a tennis ball.

Free setup, training, and unlimited support

Millions of registrations. Millions of smiles. See why thousands of leagues across the country trust TeamSideline. Get your free demo today.

WHY CHOOSE US

Three Reasons To Choose TeamSideline:

01

Robust Plateform

For over 15 years, we've been a one-stop-shop for comprehensive sports management, registration, scheduling, and communication solutions.

02

#1 In Customer Support

Experience the difference of truly dedicated support. Connect by phone, email, or live training whenever you need it. From personalized onboarding training to 7 day-a-week live support, we guide your team every step of the way.

03

Save Time & Money

We have a low annual fee and a low credit card rate. The platform simplifies registration, scheduling, facilities management, and more, reducing manual work, so you spend less time fixing schedules and more time focusing on your teams.

Basketball player jumping with ball, wearing white tank top, green shorts, and headband.

WHY CHOOSE US

Reasons To Choose TeamSideline:

07

Days a week

Live phone & email support

Free

Setup & training

Full migration help at no charge

< 1

Week to Go Live

Most leagues are up and running fast

15+

Years Proven

Purpose-built for league admins

More features. Real support. A modern platform

League Lineup was built in a different era. TeamSideline is purpose-built for the way leagues run today with a mobile-first experience, dedicated support, and tools that League Lineup simply never offered.

Black and white icon of a webpage with stars above it and a star icon inside.

A Real Mobile App

League Lineup’s platform was built in 1998 — well before smartphones existed. TeamSideline gives your players and coaches a modern mobile experience from day one.

Black computer window with a white cursor.

Live Support 7 Days a Week

When registration opens Saturday morning and something breaks, you need a real person. TeamSideline is available by phone and email 7 days a week with no ticket queues, no chatbots.

Mouse pointer clicking on an element within a webpage.

Free Migration & Setup

Our team helps you move your data and configure your new site at no charge. You’re not handed a manual and left to figure it out. We walk you through everything.

Gear icon with grid and rectangle shapes.

Facilities Management Built In

Reserve fields, courts, and facilities directly inside TeamSideline — fully integrated with your schedule. A feature League Lineup never had.

Black smartphone icon with app grid.

Continuously Updated Platform

TeamSideline is actively developed based on admin feedback. League Lineup received minimal updates over the years. Your new platform will keep getting better.

Icon of a photo with a mountain outline, with a pencil over it.

Creative Control

Customize colors, fonts, layouts, and images to create a website that truly represents your organization, while still being incredibly easy to manage.

Feature Comparison at a Glance

TeamSideline League Lineup
Mobile App ✔️ Modern & Fast ❌ Not Available
Live Phone Support ✔️ 7 Days A Week ❌ Email Only
Free Site Setup ✔️ Included ❌ Self-Serve Only
Free Training & Onboarding ✔️ Included ❌ Not Included
Migration Assistance ✔️ Full Data Migration ❌ Not Offered
Facilities Management ✔️ Fully Integrated ❌ Not Available
Member Pass / Eligibility ✔️ Built In ❌ Not Available
Ad-Free Experience ✔️ Always Free tier has ads
Online Registration ✔️ Included Paid Tiers Only
Auto-Scheduling ✔️ Included ✔️ Included
Email Communications ✔️ Included ✔️ Included
Team & League Standings ✔️ Included ✔️ Included
Actively Developed ✔️ Continuous Updates Minimal Updates

Getting Started Quickly Is easier than you think

1. Book a free demo

See TeamSideline in action in 30 minutes — no pressure, tailored to your league.

2. We Handle the Setup 

Our team configures your site, migrates your data, and trains your staff.

Go Live Quickly

Most leagues are fully up and running within a week. We stay with you every step.

Real Organizations. Real Results.

“Coming from League Athletics and SportsEngine, TeamSideline has been a night and day experience. They’ve promptly responded to every single question, their documentation is robust, and they’ve put most of our suggested changes into production. You will not find this with any other company.”

League Administrator — Migrated from a Legacy Platform


“TeamSideline helped us grow from 260 kids in tackle football to over 400, and from 350 kids in flag football to almost 800. The platform made it easy to set up seasons and send marketing emails — the growth speaks for itself.”

WCFL League Administrator — Youth Football League


“Honestly, your support is always top notch, 10/10. Your customer service reps get back to me quickly, with correct information and an understanding of what I’m asking. They anticipate questions I might have, answering them before I even have to ask.”

Trish C. — RP Cal Ripken

Built for Every Recreation Program Sport

All Sports

Our software handles any sport your department runs — across youth and adult divisions, recreational and competitive leagues, and multiple seasons throughout the year.

Baseball batter at bat, catcher in crouch, field setting.

BASEBALL

Learn More
Basketball players in a gymnasium, one jumping to shoot, others defending.

BASKETBALL

Learn More
Women playing soccer on a green field. One kicks the ball, others watch.

FOOTBALL

Learn More
Cheerleaders in orange and white uniforms with pom-poms cheering in sunlight.

CHEERLEADING

Learn More

LACROSSE

Learn More

SOFTBALL

Learn More

VOLLEYBALL

Learn More

BASEBALL

Learn More

BASKETBALL

Learn More

FOOTBALL

Learn More

Recognized by the People Who Use It Most

Awarded Best Ease of Use, Best Value, Most Recommended, and Best

Customer Support by Capterra and Software Advice in 2026.

Five stars above four software award badges for Best Ease of Use, Best Value, Most Recommended, and Best Customer Support.

TeamSideline Key Features

Group of people holding sports equipment, sitting on a rooftop, smiling.

Registration

Our 100% customizable registration system makes player signup effortless with early, regular and late periods, sibling discounts, partial payments, waitlists, and much more. Everything seamlessly integrates with team management, scheduling, and communications - all accessible on any mobile device.

TEAM Registration

Our flexible team registration system adapts to your organization's needs. Team leaders can build rosters at their own pace, invite players via automated emails, collect waivers, and even upload player photos for passes. 

SCHEDULING

Create seamless league, playoff, and tournament schedules with our powerful auto-scheduling tool. With automatic notifications, calendar syncing, and lots more to help avoid conflicts and simplify the process of creating complex schedules. You'll also have access to a variety of viewing options on web and on the free mobile app.

TeamSideline App

With the TeamSideline App, coaches, volunteers, players, and parents stay informed and engaged with schedules, group messages, member passes, and more. The app pulls real-time information directly from each team’s private team site, so your team never misses a beat.

Communication

Tools to send messages, alerts, and updates effortlessly across email, text or within the App. Our communication tools integrate seamlessly with scheduling and registration to ensure timely updates, reduce no-shows, and eliminate last-minute confusion.

Roster Building

Quick drag and drop roster building. Start assigning players to teams during registration or during a draft. Easily move players from team to team with our sports team management views.

Officials Management

With the Officials Module, you get a streamlined, stress-free way to assign, communicate with officials. With intelligent auto-assignment, integrated payment tracking, automated post-game reporting that flows directly to your teams, and simple communication that keeps everyone in sync. 

Volunteer Management

Why use another site, when your members can select available volunteer opportunities either by individual or team. With complete reporting and communications built in.

Facility Management

Easily manage practice fields or batting cages through a specific reservation process with TeamSideline’s sports facility management tools. Show availability online, and it’s all integrates with your schedules.

Membership Management

Save yourself the headache, and manage renewals automatically. TeamSideline Membership Module automates membership management by handling dues collection, paperwork, and renewals with flexible fee options (monthly, annual, or bi-annual). 

Member Passes

TeamSideline's Member Pass gives leagues a simple, secure way to verify player eligibility and display essential participant information. Whether you're on the sideline, at check-in, or reviewing compliance, the Member Pass keeps everything you need at your fingertips.

TeamSideline Side Builder

Website Builder that will give you the tools to create modern, professional sites for your league, organization, or team. With intuitive drag-and-drop editing, ready-to-use templates, and powerful widgets that require no technical web skills.

Background Checks

Keep your athletes safe with seamless background check integration powered by Protect Youth Sports. View volunteer screening status, approve or deny applications, and track compliance through workflows, all directly within your admin portal.

Credit Card Processing

Get set up instantly, with a low credit card rate, and direct deposit into your League’s bank account- so you get your money faster. 

Auto-Coach Scoring 

Officials and coaches receive an automated post-game email where they can quickly submit scores and notes. Those scores and notes are instantly posted to the league website and the mobile app- no manual data entry required.

Reporting

With pre-built and customizable reporting dashboards, you can stay on top of the most important data points, from registrations and payments to member activity patterns. Giving you the insights you need to understand what's working for your league.

Privacy And Data 

We don't sell your data, market to your membership, or plaster our logo on your communications. Your brand stays front and center. You control all sponsorships and partnerships while we work invisibly in the background

Our Full List Of Features

Green clipboard with a plus sign, lines, and a checkmark.

Player Registration

We have an easy to use customizable registration system complete with early, regular and late periods, sibling discounts, partial payments, waitlists, and lots more. It has what you need for sports team management and it's all mobile.

Black right arrow.
Three hands reaching toward each other in a triangle, orange with a gray outline.

TEAM Registration

We have an easy to use customizable registration system complete with early, regular and late periods, sibling discounts, partial payments, waitlists, and lots more. It has what you need for sports team management and it's all mobile.

Black arrow pointing right.
Blue calendar with a checkmark, outlined in white and gray.

SCHEDULING

We have an easy to use customizable registration system complete with early, regular and late periods, sibling discounts, partial payments, waitlists, and lots more. It has what you need for sports team management and it's all mobile.

Black arrow pointing to the right.
Smartphone icon with a green screen, inside a grey outlined frame.

TeamSideline App

We have an easy to use customizable registration system complete with early, regular and late periods, sibling discounts, partial payments, waitlists, and lots more. It has what you need for sports team management and it's all mobile.

Black arrow pointing right.
Red speech bubble icon with three horizontal lines.

Communication

A complete communication package including email and text blasts to automatically created distribution lists, or import your own list. See if people are reading and clicking your emails, or send a survey.

Black arrow pointing right.
Orange clipboard with checklist and checked items.

Roster Building

Quick drag and drop roster building. Start assigning players to teams during registration or during a draft. Easily move players from team to team with our sports team management software.

Black arrow pointing right.
Purple certificate with an award seal.

Tournaments

We have an easy to use customizable registration system complete with early, regular and late periods, sibling discounts, partial payments, waitlists, and lots more. It has what you need for sports team management and it's all mobile.

Black right-pointing arrow on a white background.
Red megaphone with a gray outline.

Officials Management

We have an easy to use customizable registration system complete with early, regular and late periods, sibling discounts, partial payments, waitlists, and lots more. It has what you need for sports team management and it's all mobile.

Black arrow pointing right.
Three people icon inside a cloud shape, orange on white background with a gray outline.

Volunteer Management

Why use another site, when your members can select available volunteer opportunities either by individual or team. Complete reporting and communications built-in.

Black arrow pointing right.
Calendar showing the year 2020 in red within a gray border.

Facility Management

Easily manage practice field or batting cages through a specific reservation process with TeamSideline’s sports facility management software. Show availability online and it’s all integrated with your schedules.

Black arrow pointing right.
Yellow and gray ID badge icon with a person silhouette.

Membership Management

Need to collect payments for and renew memberships outside of player or team registrations? We’ve got that covered too!

Black arrow pointing right.
Green fingerprint over a grid, possibly for biometric authentication.

Background Checks

Background check when a volunteer registers on your site. Use the background check dashboard to review the status of your program and volunteers.

Black arrow pointing right.
Blue credit card icon with a magnetic stripe.

Credit Card Processing

Get set up instantly, with the lowest rate you'll find, and direct deposit into your League bank account – not through TeamSideline – so you get your money faster.

Black arrow pointing right.
Purple padlock icon, outlined in gray, indicating security or privacy.

Privacy And Data

Your data is your data. We do not market to your membership. You can advertise any companies that help sponsor your organization.

Right-pointing arrow.
Headset icon with red and gray outline.

Phone Support

Call us anytime and talk to TeamSideline Team Members who have the system knowledge to help you quickly and efficiently by phone – or email us – whatever works for you.

Black arrow pointing to the right.
Clipboard icon with a strategy diagram.

League Management

Our robust suite of sports league management tools simplify your everyday tasks, so that you can get back to enjoying and promoting league sports in your community.

Black arrow pointing right.

All Sports

Our software can handle any sport registration you need. We can handle Youth or Adult, Team or Individual scenarios – we even have a Youth/Adult Registration Type for registration programs you want to make available for all ages.

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

BASEBALL

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

BASKETBALL

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

CHEERLEADING

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

FOOTBALL

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

HOCKEY

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

LACROSSE

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

SOCCER

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

SOFTBALL

Soccer ball with white and gray pentagons and hexagons, black outlines, and red accents.

VOLLEYBALL

Soccer player in white and red uniform kicking a ball.

OUR DIFFERENCE

The TeamSideline Difference

TeamSideline's online league management software equips organizers, coaches, parents, and players with leading sports league management technologies.


With our all-inclusive suite of game scheduling, player registration, and league communication tools, you’ll spend less time juggling and more time playing.

Two soccer players in action, one in green, one in blue, kicking the ball.

BOOK A DEMO

We’re here for you

Personalized training, custom graphics for your website, prompt assistance… if we can make your job easier, we will.

BOOK A DEMO

We’re here for you

Personalized training, custom graphics for your website, prompt assistance… if we can make your job easier, we will.

GET IN TOUCH