Probetrics — Sports Analytics
MLB Prop Board

Spencer Arrighetti

Houston Astros · P · Bats R · Throws R

Tonight's line
15.5
Model proj
15.75
Edge
+3.1%
Trending splitsHome 83%(6)Away 50%(8)
Last 21
62%13/21 over 15.5
Window avg
16.48
Median
18.0
L5
60%
3/5
L10
60%
6/10
L20
60%
12/20
2026
60%
3/5
Avg16.48
StreakW1

Parlay pairs — when Spencer Arrighetti clears 15.5 Pitcher Outs, these hit too

Yainer Diaz o0.5 Hits
hits when he does 81% · base 68% · n=16 · -196 dabble_us_dfs
Isaac Paredes o0.5 Runs Scored
hits when he does 67% · base 60% · n=9 · +146 dabble_us_dfs
Yordan Alvarez o1.5 Total Bases
hits when he does 62% · base 48% · n=26 · +106 dabble_us_dfs

Correlation from shared games in our database — books price correlated same-game legs accordingly; treat combined odds as an estimate.

Pitcher Outslast 21 vs 15.5

official box scores
19vs MIL05/1915@ OAK05/2518@ SEA05/304vs DET06/1513@ CWS06/2021vs COL06/2615@ MIN07/0718vs TEX07/1318vs LAD07/2818vs TB08/0421@ BOS08/1023@ PHI08/2818vs LAA09/2211@ MIN04/0511@ MIA08/0617@ BAL08/2421vs NYY04/2615@ BOS05/0217@ CIN05/0915@ CHC05/2218@ KC06/1415.5

Tonight's odds — Pitcher Outs

BookLineOverUnder
DraftKings15.5-111-119
PrizePicks15.5-137-137
Underdog15.5-137-137
Betr Picks15.5-137-137
Bovada15.5-115-125
dabble_us_dfs15.5-105+106

Line movement — Pitcher Outs

From our own market snapshots (every poll since lines opened).

15.512:11 AM ET11:15 AM ET
DraftKingsBovadadabble_us_dfsUnderdogPrizePicksBetr Picks

League vs WSH Pitcher Outs, 2026

Last 14 qualifying performances against them · 5/14 would clear tonight's 15.5

Tatsuya Imai HOU07/0711
Mike Burrows HOU07/0613
Bubba Chandler PIT07/0512
Braxton Ashcraft PIT07/0417
Mitch Keller PIT07/0318
Payton Tolle BOS07/019
Connelly Early BOS06/3012
Ranger Suarez BOS06/2918
Kyle Bradish BAL06/2812
Brandon Young BAL06/2715
Trevor Rogers BAL06/2619
Cristopher Sánchez PHI06/2515
Aaron Nola PHI06/2415
Jesús Luzardo PHI06/2320

Pitch arsenal — 2026

Usage share and average velocity by pitch type.

Curveball33.0% · 76.6 mph
Four-seam FB29.7% · 92.4 mph
Sweeper12.5% · 79.3 mph
Sinker10.1% · 92.1 mph
Changeup7.4% · 84.1 mph
Cutter6.0% · 87.4 mph
Slider1.2% · 82.2 mph