Build smarter lineups in 30 seconds. Auto-generate manages your player pitch counts, position limits, and fairness history. Pairs with GameChanger to import your stats.
The baseball and softball lineup maker built for Little League, rec, and travel ball coaches. Drag players onto the diamond, auto-generate a fair lineup in one tap, and track pitch counts and playing time all season.
Print a clean lineup card, keep the batting order rotating fairly, and know who can pitch before you fill out the card. Everything works on your phone from the dugout.
LINEUP BUILDER
Build lineups with drag-and-drop on a visual baseball diamond. Assign players to positions inning by inning, set your batting order, and mark absent players. Click a position to quick-assign, or let auto-generate build a compliant lineup in one tap. Everything updates in real time: batting order, position summary, and rule compliance.
AUTO-GENERATE
One tap builds a full lineup that respects your league's rules, your batting order, and your fairness history. Handles minimum play requirements, position limits, pitcher eligibility, and more. You can always adjust the result by hand.
PITCH COUNT TRACKING
Log pitch counts after each game. Rest day calculations happen automatically based on your league's thresholds. Ineligible pitchers are flagged before you build your next lineup, so you never have to wonder who's available. Tracks pitches thrown on other teams too, because rest days don't reset when a player plays travel ball on Tuesday.
CONFIGURABLE RULES ENGINE
Every league is different. Set your own rules for minimum play, consecutive bench innings, infield requirements, pitcher limits, designated hitter, and more. Rules show real-time warnings in the lineup builder. They're guardrails, not hard blocks: you always have the final call.
FAIRNESS SUMMARY
See who played where and how much across the entire season. Per-player innings played, innings sat, position distribution, and pitching totals. When a parent asks about playing time, you've got the answer.
SET LINEUP (SEASON BATTING ORDER)
Set your batting order once. After each game, mark who batted last. The rotation handles itself for the next game, so every player moves through the order fairly over the course of the season.
PRINTABLE LINEUP CARD
Print a clean lineup card that fits one page. Absent players listed separately. Bring it to the dugout or hand it to the umpire.
TEAM ROLES
Invite assistant coaches, scorekeepers, and parents. Each role sees only what they need. Parents get read-only access to their player's position history and pitch count status. Coaches and scorekeepers can enter pitch counts and manage lineups based on their role.
WORKS AT EVERY LEVEL
Little League, rec, travel ball, high school, adult leagues. The rules engine is fully configurable, so it adapts to your league instead of the other way around.
BUILT FOR THE DUGOUT
Responsive design that works on phones, tablets, and laptops. Build your lineup on Saturday morning from the bleachers, adjust it in the parking lot when someone no-shows, and pull it up on your phone between innings.
Terms of Use: https://whosonsecond.com/terms
Privacy Policy: https://whosonsecond.com/privacy
This app has been a huge time-saver for me as a baseball coach. Before using it, I was trying to manage rosters, batting orders, defensive rotations, innings played, and lineup changes manually in Excel, and it was a constant headache. This app has taken a lot of that pain out of the process and made game-day planning much easier.Being able to organize lineups, track player rotations, and make adjustments without rebuilding spreadsheets every time has been incredibly valuable. It helps me stay more organized, make better decisions, and spend less time buried in admin work. For youth baseball especially, where you’re balancing playing time, positions, pitching, catching, and last-minute changes, having a tool like this makes a real difference.The app already solved a major problem for me, and the new features continue to add even more value. It feels like it is being actively improved by people who understand what coaches actually need. I’m incredibly happy I found it and would highly recommend it to any baseball coach who is still trying to manage lineups and rosters manually.
Responsive Developer!
FastPitch206
I’ve been using this on my phone and it has changed how I manage the dugout. I volunteer for my LL so I have a lot going on. Not having to manage the pitch counts the night before has been awesome. The two time I has some user error, the admin was super helpful and responded quickly. Would recommend.
App tries to circumvent Apple’s subscription management system
Ducktape2003
I really hate when developers do this. There’s no way to subscribe within the App Store. They make you leave the app and subscribe outside in a web browser, and I know exactly why they are doing this… It’s because they want it to be more difficult to cancel a subscription or monitor your subscription from the same place that your Apple ID shows. Apple tries to make it easy to end a subscription and not get members stuck in a subscription they forget about. They have one button you can click to end a subscription.This App clearly does not want to abide by those rules. I really wish Apple would do something about this.
Developer Response
UPDATED July 7: We heard you, and today's update does exactly what you asked for. Who's on Second 1.8.0 is now live, and you can subscribe and manage your plan right inside the app through Apple. Your subscription shows up alongside your others in your Apple ID settings, with the one-tap cancel you mentioned. Thanks for pushing us on this. Feedback like yours is how a new app gets better.[Original Response]:Thanks for the honest feedback and to be clear, we're not trying to trap anyone. Who's on Second works across web, iOS, and all browsers, so billing runs through our website (which also lets us keep the coach price low). You can cancel anytime in about 15 seconds at whosonsecond.com → Profile → Manage Subscription. It's instant, no email, codes, extra hoops, or phone call needed. You're right that it should be easier to reach from inside the app, so we're adding a direct "Manage Subscription" link in the next update to allow a more direct path. I appreciate you flagging your experience as we are a new app and the user experience and the ratings here are incredibly important to our success or failure. Please reach out directly by opening a support ticket in the app so that we can try to make it right.
Assistant Coach in my Pocket
FastPitch206
I’ve been using this to coach my daughter’s softball team and it has saved me so much grief with the Local league’s supplemental rules, especially with the minimum infield innings requirement. The drag and drop makes it easy and I appreciate how quickly they respond to questions.
Your lineup stays yours, even when the Wi-Fi behind the backstop doesn't.
If a lineup can't load, the builder tells you why and gives you Try Again, and it won't save a blank field over the one you finished. It tries again on its own when your signal comes back. When the same lineup changes on two devices, nothing gets replaced quietly: you see which innings and positions differ, side by side, and choose which version to keep. Hop over to another tab mid-edit and your changes are still there when you come back.
Mexico joins the scorecard. Pick a country next to any team or game postal code, and Mexican ballparks get the right city, time zone, and game-day forecast, even when the code matches a U.S. ZIP.
Links go where they say. Tap a game reminder, the home screen widget, or a shared game link and you land in that game's lineup instead of the schedule. Join links and support ticket links open right where they should, and "Email me a sign-in link" now signs you straight into the app.
We swept the dugout, re-chalked the coaching boxes, and taught the scoreboard to say "¡Play ball!" in three countries. Small fixes and polish under the hood.
Version 2.5.0
The developer, Who's on Second, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
emloho llc
Size
23.6 MB
Category
Sports
Compatibility
Requires iOS 18.0 or later.
iPhone Requires iOS 18.0 or later.
iPad Requires iPadOS 18.0 or later.
Mac Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.