MLB Player Prop Lines for 2026-05-18: 43,739 markets across 9 sources
43,739 player prop markets posted by 9 sources for MLB games on 2026-05-18. Real numbers from our live feed.
Sources covering MLB on 2026-05-18
9 distinct sportsbooks and DFS apps posted player prop lines for MLB games today. Total markets across all sources: 43,739. 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 | 12,982 | 455 | 126 |
| Underdog | 10,361 | 279 | 13 |
| Bovada | 8,568 | 305 | 37 |
| Novig | 3,766 | 213 | 18 |
| FanDuel | 3,609 | 194 | 7 |
| Fliff | 2,493 | 243 | 28 |
| ProphetX | 1,419 | 172 | 10 |
| Pinnacle | 363 | 19 | 3 |
| Kalshi | 178 | 28 | 1 |
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 |
|---|---|---|---|
| Austin Wells | player hits | 6 | 0.4 |
| Riley Greene | player total bases | 6 | 1.3 |
| Ben Rice | player total bases | 6 | 1.3 |
| Paul Goldschmidt | player total bases | 6 | 1.3 |
| Cody Bellinger | player total bases | 6 | 1.3 |
| Brayan Rocchio | player hits | 6 | 0.4 |
| Daulton Varsho | player hits | 6 | 0.4 |
| Luis Torrens | player total bases | 6 | 1.3 |
| Juan Soto | player total bases | 6 | 1.3 |
| Daylen Lile | player total bases | 6 | 1.3 |
| Dillon Dingler | player total bases | 6 | 1.3 |
| James Wood | player total bases | 6 | 1.3 |
| Brett Baty | player total bases | 6 | 1.3 |
| Josh Bell | player total bases | 6 | 1.4 |
| Cody Bellinger | player hits | 6 | 0.4 |
| Matt Olson | player total bases | 6 | 1.3 |
| Matt Vierling | player total bases | 6 | 1.2 |
| Marcelo Mayer | player total bases | 6 | 1.2 |
| Christian Walker | player total bases | 6 | 1.4 |
| Colt Keith | player total bases | 6 | 1.2 |
| Marcus Semien | player total bases | 6 | 1.3 |
| Bo Bichette | player hits | 6 | 1.3 |
| Drake Baldwin | player total bases | 6 | 1.3 |
| Cam Smith | player total bases | 6 | 1.4 |
| George Springer | player total bases | 6 | 1.2 |
Pull this data via API
# All props for baseball_mlb today curl "https://parlay-api.com/v1/sports/baseball_mlb/props?date=2026-05-18" \ -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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