MLB Player Prop Lines for 2026-05-20: 266,788 markets across 15 sources
266,788 player prop markets posted by 15 sources for MLB games on 2026-05-20. Real numbers from our live feed.
Sources covering MLB on 2026-05-20
15 distinct sportsbooks and DFS apps posted player prop lines for MLB games today. Total markets across all sources: 266,788. 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 |
|---|---|---|---|
| DraftKings | 44,162 | 623 | 173 |
| Bet365 | 41,035 | 366 | 25 |
| FanDuel | 35,306 | 582 | 24 |
| Bovada | 34,424 | 614 | 142 |
| BetMGM | 21,979 | 144 | 21 |
| Caesars | 20,440 | 309 | 23 |
| Hard Rock | 15,641 | 264 | 15 |
| Novig | 15,376 | 333 | 22 |
| Fanatics | 11,028 | 303 | 12 |
| parx | 8,558 | 134 | 12 |
| Underdog | 8,256 | 325 | 18 |
| Fliff | 4,144 | 289 | 32 |
| ProphetX | 3,028 | 166 | 16 |
| Pinnacle | 2,620 | 140 | 9 |
| BetRivers | 791 | 40 | 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 |
|---|---|---|---|
| Total | totals | 11 | 8.7 |
| Seattle Mariners | moneyline | 11 | — |
| San Francisco Giants | moneyline | 11 | — |
| Chicago White Sox | moneyline | 11 | — |
| Los Angeles Dodgers | moneyline | 11 | — |
| San Diego Padres | moneyline | 11 | — |
| Arizona Diamondbacks | spreads | 10 | -0.4 |
| San Francisco Giants | spreads | 10 | 0.4 |
| Arizona Diamondbacks | moneyline | 10 | — |
| Chicago White Sox | spreads | 10 | 1.5 |
| Seattle Mariners | spreads | 10 | -1.5 |
| Los Angeles Angels | moneyline | 11 | — |
| Athletics | spreads | 10 | 1.1 |
| Los Angeles Angels | spreads | 10 | -1.1 |
| Los Angeles Dodgers | spreads | 10 | -1.4 |
| San Diego Padres | spreads | 10 | 1.4 |
| Athletics | moneyline | 10 | — |
| Texas Rangers | moneyline | 11 | — |
| Colorado Rockies | moneyline | 11 | — |
| Emmet Sheehan | player strikeouts | 13 | 5.5 |
| Griffin Canning | player strikeouts | 13 | 4.5 |
| Brent Rooker | player total bases | 12 | 1.3 |
| Colorado Rockies | spreads | 10 | 1.9 |
| Texas Rangers | spreads | 10 | -1.9 |
| Mike Trout | player total bases | 12 | 1.3 |
Pull this data via API
# All props for baseball_mlb today curl "https://parlay-api.com/v1/sports/baseball_mlb/props?date=2026-05-20" \ -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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