Pirates vs Cardinals Prediction, Picks, Best Bets & Parlay
Free MLB prediction and picks for Thursday, May 21, 2026 · powered by DataStreak
Pirates vs Cardinals Prediction
Pirates traveling to face the Cardinals. Standard mid-week fixture, non-standard prop edge.
Prop angles are where the edge lives. Live odds, current streaks, and the picks our partner DataStreak likes are all below.
Pirates vs Cardinals Picks
No qualifying streaks today for PIT or STL. DataStreak surfaces picks where a player has at least a 5-game streak at 70%+ hit rate over a 20-game sample — neither roster has a player meeting that bar right now. Common on slow nights or matchups between cold teams; check back tomorrow. See all of today’s free picks across the slate.
Injury Report
6 listed- 10-Day-IlJake Mangum
- 10-Day-IlJoey Bart
- Day-To-DayWill Robertson
- 15-Day-IlChris Devenski
- 15-Day-IlMatthew Pushard
- 10-Day-IlRamon Urias
Team Trends
- • Pittsburgh Pirates 7-3 ATS over the last 10 games
- Season ATS
- 24-18 ATS
- L10 ATS
- 7-3 L10 ATS
- L5 ATS
- 4-1 L5 ATS
- Home ATS
- 12-9 home ATS
- Road ATS
- 12-9 road ATS
- As Fav
- 14-9 ATS as favorite
- As Dog
- 9-9 ATS as dog
- L10 O/U
- 0-0 O/U
- L10 SU
- 0-0
- • St. Louis Cardinals 7-3 ATS over the last 10 games
- • St. Louis Cardinals 12-8 ATS at home — 60%
- • St. Louis Cardinals 26-13 ATS as an underdog
- Season ATS
- 27-14 ATS
- L10 ATS
- 7-3 L10 ATS
- L5 ATS
- 4-1 L5 ATS
- Home ATS
- 12-8 home ATS
- Road ATS
- 15-6 road ATS
- As Fav
- 1-1 ATS as favorite
- As Dog
- 26-13 ATS as dog
- L10 O/U
- 0-0 O/U
- L10 SU
- 0-0
Head-to-Head
STL 5-0 over PIT
| Date | Matchup | Score | Winner |
|---|---|---|---|
| 2026-04-30 | STL @ PIT | 10–5 | STL |
| 2026-04-29 | STL @ PIT | 5–4 | STL |
| 2026-04-28 | STL @ PIT | 11–7 | STL |
| 2026-04-27 | STL @ PIT | 4–2 | STL |
| 2025-08-28 | PIT @ STL | 1–4 | STL |
Picks, parlays, injuries, trends, and matchup context powered by DataStreak.
The Final Word
One game, multiple angles. Tail what hits, fade what doesn't, and check back tomorrow when the result badge tells you who was right.
Pirates vs Cardinals FAQ
Where can I find free Pirates vs Cardinals picks for Thursday, May 21, 2026?
Today's algorithmic plays didn't include Pirates vs Cardinals, but our full free MLB picks page covers every matchup that did clear the quality bar.
What's the prediction for Pirates vs Cardinals?
Our prediction is built from team form (records, recent results, win/loss streaks), live moneyline and spread odds across major US books, and DataStreak's algorithmic player-prop research. Every claim on this page is data-backed — no hot takes.
Are these Pirates vs Cardinals best bets really free?
Yes. Every prediction, pick, and parlay on this page is free, no signup, no paywall.
How is The Cover different from Covers, ATS, or pay-for-pick services?
Three things. (1) Free, full stop — every page, every day. (2) Picks are algorithmic with transparent quality bars (8+ game streak, 75%+ hit rate over 20 games), not opinion columns. (3) Modern UX: live odds, push notifications, comments, mobile-first PWA install.