MLB Player Prop Lines for 2026-07-31: 49,848 markets across 15 sources
49,848 player prop markets posted by 15 sources for MLB games on 2026-07-31. Real numbers from our live feed.
Sources covering MLB on 2026-07-31
15 distinct sportsbooks and DFS apps posted player prop lines for MLB games today. Total markets across all sources: 49,848. The list below is sorted by depth of coverage. Source-by-source coverage matters because cross-book line shopping is where the edge lives in props.
| Source | Total markets | Distinct players | Distinct prop types |
|---|---|---|---|
| Bovada | 17,349 | 433 | 126 |
| DraftKings | 12,627 | 466 | 177 |
| ParlayPlay | 4,743 | 293 | 15 |
| Underdog | 2,930 | 324 | 18 |
| Bet365 | 1,994 | 86 | 25 |
| FanDuel | 1,985 | 235 | 21 |
| Novig | 1,624 | 232 | 23 |
| BetMGM | 1,585 | 70 | 22 |
| Caesars | 1,492 | 85 | 28 |
| ProphetX | 1,421 | 240 | 15 |
| Pinnacle | 666 | 81 | 9 |
| Fanatics | 506 | 62 | 12 |
| parx | 385 | 67 | 8 |
| Hard Rock | 347 | 65 | 6 |
| BetRivers | 194 | 12 | 4 |
Most-covered players (multi-source)
Players whose props are covered by at least 2 sources today. These are the players where line shopping pays off, because the more books quote a market, the wider the dispersion you can exploit.
| Player | Market | Sources | Avg line |
|---|---|---|---|
| Seattle Mariners | moneyline | 12 | — |
| Los Angeles Dodgers | moneyline | 12 | — |
| San Francisco Giants | moneyline | 11 | — |
| San Diego Padres | moneyline | 11 | — |
| Boston Red Sox | moneyline | 12 | — |
| Athletics | moneyline | 10 | — |
| Total | totals | 10 | 8.5 |
| Seattle Mariners | spreads | 10 | 3.2 |
| Los Angeles Dodgers | spreads | 10 | -3.2 |
| San Diego Padres | spreads | 10 | 1.3 |
| San Francisco Giants | spreads | 10 | -1.3 |
| Athletics | player moneyline | 2 | — |
| Seattle Mariners | player moneyline | 2 | 0.0 |
| San Diego Padres | player moneyline | 2 | 0.0 |
| Roki Sasaki | player strikeouts alt | 5 | 6.4 |
| Bryan Woo | player strikeouts alt | 5 | 6.2 |
| Boston Red Sox | spreads | 10 | 0.3 |
| Sonny Gray | player strikeouts alt | 5 | 5.9 |
| Athletics | spreads | 10 | -0.3 |
| Robbie Ray | player strikeouts alt | 5 | 5.7 |
| JP Sears | player strikeouts alt | 5 | 5.3 |
| Max Muncy (LAD) | player hits | 2 | 0.5 |
| Max Muncy (LAD) | player rbis | 2 | 0.5 |
| Max Muncy (LAD) | player runs | 2 | 0.5 |
| Sonny Gray | player strikeouts | 11 | 3.9 |
Pull this data via API
# All props for baseball_mlb today curl "https://parlay-api.com/v1/sports/baseball_mlb/props?date=2026-07-31" \ -H "X-API-Key: YOUR_KEY" # Filter to a specific player + market curl "https://parlay-api.com/v1/sports/baseball_mlb/props?player=Aaron%20Judge&market=batter_home_runs" \ -H "X-API-Key: YOUR_KEY"
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