FirstInningRuns.com

2 games · times Eastern · stats are before today's games

Seattle Mariners at Detroit Tigers

4:08 PM ETComerica Park · Detroit, MIFinal
Top 1st Mariners bat vs Jack Flaherty RHPScoreless
Pitcher, this season scoreless 26 of 32 (81%) · 0.38 runs/1st 32 starts
Pitcher vs Mariners scoreless 3 of 3 (100%) · 0.00 runs/1st 3 starts
Mariners vs RHP scored in 28 of 116 (24%) · 0.46 runs/1st 116 games
Mariners top of orderNot rated yet (updates each morning)
Bot 1st Tigers bat vs Logan Gilbert RHPScoreless
Pitcher, this season scoreless 16 of 25 (64%) · 0.44 runs/1st 25 starts
Pitcher vs Tigers scoreless 0 of 3 (0%) · 1.67 runs/1st 3 starts
Tigers vs RHP scored in 31 of 125 (25%) · 0.53 runs/1st 125 games
Tigers top of orderNot rated yet (updates each morning)
Wind 5 mph blowing out (+4 mph toward center) · 58°F, Cloudy
MLB game-time report: “5 mph, Out To RF”
Plate umpire John Tumpane
With this umpire run in the 1st in 43 of 86 (50%) · league 49% 86 games
Per 1st inning 0.88 BB+HBP (lg 0.82) · 1.85 K (lg 2.00) · 1.15 runs (lg 1.04)

Context, not an edge: in 2023-2026 (7,965 games) umpires' 1st-inning scoring rates differed no more than luck would produce.

1st inning, 0.5 runsYRFINRFI
FanDuel+104-132
BetMGM+110-145
Caesars+110-140
betonlineag+115-154

Market's NRFI chance: 55% (margin removed, average of 4 books)

Full-game lines not posted yet.

Toronto Blue Jays at New York Yankees

8:08 PM ETYankee Stadium · Bronx, NYFinal
Top 1st Blue Jays bat vs Carlos Rodón LHP2 runs
Pitcher, this season scoreless 28 of 34 (82%) · 0.29 runs/1st 34 starts
Pitcher vs Blue Jays scoreless 3 of 5 (60%) · 1.20 runs/1st 5 starts
Blue Jays vs LHP scored in 7 of 41 (17%) · 0.32 runs/1st 41 games
Blue Jays top of orderNot rated yet (updates each morning)
Bot 1st Yankees bat vs Shane Bieber RHP1 run
Pitcher, this season scoreless 6 of 7 (86%) · 0.29 runs/1st 7 starts
Pitcher vs Yankees scoreless 1 of 2 (50%) · 1.00 runs/1st 2 starts
Yankees vs RHP scored in 51 of 129 (40%) · 0.71 runs/1st 129 games
Yankees top of orderNot rated yet (updates each morning)
Wind 13 mph blowing out (+9 mph toward center) · 70°F, Cloudy
MLB game-time report: “13 mph, Out To LF”
Plate umpire Jordan Baker
With this umpire run in the 1st in 38 of 88 (43%) · league 49% 88 games
Per 1st inning 0.94 BB+HBP (lg 0.82) · 1.99 K (lg 2.00) · 0.94 runs (lg 1.04)

Context, not an edge: in 2023-2026 (7,965 games) umpires' 1st-inning scoring rates differed no more than luck would produce.

1st inning, 0.5 runsYRFINRFI
FanDuel-102-125
BetMGM-102-125
Caesars-105-125
betonlineag+100-133

Market's NRFI chance: 53% (margin removed, average of 4 books)

Full-game lines not posted yet.