AI-built lineups.
Coach-approved in 60 seconds.
Drop in your roster, add player stats, and DiamondAI builds the optimal batting order and defensive alignment for you. Tweak, print, share — done.
Free forever · No credit card needed · 14 days of Pro included
Roster · 10U Travel
- 8Sawyer D.3B/P
- 1Jackson R.P/SS
- 23Tyler N.1B/LF
- 10Cole R.SS/2B
- 12Brooks W.2B/RF
- 36Dylan O.C/1B
- 6Micah T.LF/CF
- 27Beau H.RF/2B
Trusted by coaches across the country
Coach like a pro — even if you've never coached before.
Log each player's stats (batting average, on-base, contact, speed, glove). DiamondAI reads the numbers and builds the optimal batting order and defensive alignment — the kind of decisions that take experienced coaches years to master.
- 📊
Stats-driven batting order
Table-setters up top, power bats 3–4, protection behind them. DiamondAI reads the numbers so you don't have to memorize old-school baseball theory.
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Defensive alignments that make sense
Fastest kid in center. Best arm behind the plate. Glove up the middle. DiamondAI matches every player to their best-fit spot using their logged skills.
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Fair playing time, every time
Every kid gets balanced innings on the field. No more parent emails about bench time.
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Fully editable — AI is a starting point
Drag any player anywhere. DiamondAI gives you 80% of the way there; your coaching instincts finish it.
One tool. Every game-day task.
From the first roster upload to the printed dugout card, DiamondLineups handles the whole workflow — so you can coach, not shuffle papers.
Smart Auto-Lineup
Tell DiamondAI your roster and rules. Get a fair, balanced, game-ready lineup in seconds. Edit anything, anytime.
Stat-driven AI
Track hitting and fielding stats per player. DiamondAI uses the numbers to build optimal batting orders and defensive alignments — great for newer coaches.
Pro-quality PDF exports
Print dugout cards, umpire cards, and parent handouts. Clean, readable, ready in one tap.
Multiple teams, one account
Coach your 10U and your kid's 8U? Switch between rosters without logging out. Pro plan supports up to 3 teams.
Share links to parents
Send a secure link. Parents see positions and batting order without needing to sign up. No more group texts.
Fair-time tracking
Automatic playing-time balance across innings. See at a glance who's been benched and fix it before the inning starts.
Coaching assist
New to the game? DiamondAI explains why it made each call — so you learn the logic and look confident in front of parents.
“I used to spend two hours every Saturday night trying to keep 12 parents happy. Now I open DiamondLineups, let DiamondAI do the first pass, tweak two spots, and I'm done in under ten minutes. My weekends are back.”
Free forever. Pro when you need it.
No credit card to start. Upgrade when you coach multiple teams or want the AI.
- ✓1 team · up to 15 players
- ✓Manual lineup builder (drag & drop)
- ✓Basic fair-play rules (min innings guide)
- ✓Up to 3 saved lineups
- ✓Print PDF lineup card
- ✓Schedule (games & practices)
- ✓1 assistant coach invite
- ✓DiamondAI support assistant
- ✓🤖 DiamondAI auto-generate lineup & defense
- ✓Up to 3 teams · unlimited rosters
- ✓🤖 DiamondAI fair-play optimizer
- ✓Up to 40 saved lineups per team
- ✓Game Day mobile live view
- ✓Roster CSV import
- ✓Advanced fair-play rules
- ✓Parent notifications (email / text)
- ✓iCal schedule sync
- ✓Unlimited coaches & team parents
- ✓Priority support
Running 10+ teams? Ask about club & league pricing
Your next lineup takes 60 seconds.
Join 500+ youth baseball coaches who traded spreadsheets for a tool that actually works.