FirstInningRuns.com

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

Seattle Mariners at Kansas City Royals

2:10 PM ETKauffman Stadium · Kansas City, MOFinal
Top 1st Mariners bat vs Angel Zerpa LHPScoreless
Pitcher, this seasonNo 1st innings yet this season
Pitcher vs MarinersHasn't faced the Mariners
Mariners vs LHP scored in 9 of 28 (32%) · 0.61 runs/1st 28 games
Mariners top of orderNot rated yet (updates each morning)
Bot 1st Royals bat vs George Kirby RHPScoreless
Pitcher, this season scoreless 17 of 23 (74%) · 0.39 runs/1st 23 starts
Pitcher vs RoyalsHasn't faced the Royals
Royals vs RHP scored in 29 of 90 (32%) · 0.52 runs/1st 90 games
Royals top of orderNot rated yet (updates each morning)
Wind 10 mph across the field · 82°F, Sunny
MLB game-time report: “10 mph, L To R”
Plate umpire James Hoye
With this umpire run in the 1st in 12 of 24 (50%) · league 50% 24 games
Per 1st inning 0.63 BB+HBP (lg 0.82) · 2.17 K (lg 2.02) · 0.83 runs (lg 1.07)

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
barstool-110-115
BetRivers-108-115
unibet_us-108-115

Market's NRFI chance: 51% (margin removed, average of 3 books)

Full-game lines not posted yet.

Boston Red Sox at Washington Nationals

4:05 PM ETNationals Park · Washington, DCFinal
Top 1st Red Sox bat vs Patrick Corbin LHPScoreless
Pitcher, this season scoreless 16 of 24 (67%) · 0.71 runs/1st 24 starts
Pitcher vs Red SoxHasn't faced the Red Sox
Red Sox vs LHP scored in 10 of 34 (29%) · 0.41 runs/1st 34 games
Red Sox top of orderNot rated yet (updates each morning)
Bot 1st Nationals bat vs Chris Sale LHPScoreless
Pitcher, this season scoreless 10 of 12 (83%) · 0.50 runs/1st 12 starts
Pitcher vs NationalsHasn't faced the Nationals
Nationals vs LHP scored in 15 of 44 (34%) · 0.68 runs/1st 44 games
Nationals top of orderNot rated yet (updates each morning)
Wind 4 mph blowing out (+3 mph toward center) · 90°F, Partly Cloudy
MLB game-time report: “4 mph, Out To LF”
Plate umpire Mark Wegner
With this umpire run in the 1st in 10 of 16 (63%) · league 50% 16 games
Per 1st inning 1.00 BB+HBP (lg 0.82) · 1.69 K (lg 2.02) · 1.19 runs (lg 1.07)

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
barstool-130+100

Market's NRFI chance: 47% (margin removed, average of 1 books)

Full-game lines not posted yet.

New York Mets at St. Louis Cardinals

7:15 PM ETBusch Stadium · St. Louis, MOFinal
Top 1st Mets bat vs Adam Wainwright RHPScoreless
Pitcher, this season scoreless 7 of 15 (47%) · 1.07 runs/1st 15 starts
Pitcher vs Mets scoreless 0 of 1 (0%) · 1.00 runs/1st 1 start
Mets vs RHP scored in 18 of 82 (22%) · 0.37 runs/1st 82 games
Mets top of orderNot rated yet (updates each morning)
Bot 1st Cardinals bat vs Jose Quintana LHPScoreless
Pitcher, this season scoreless 4 of 5 (80%) · 0.20 runs/1st 5 starts
Pitcher vs CardinalsHasn't faced the Cardinals
Cardinals vs LHP scored in 5 of 30 (17%) · 0.30 runs/1st 30 games
Cardinals top of orderNot rated yet (updates each morning)
Wind 12 mph blowing out (+9 mph toward center) · 84°F, Partly Cloudy
MLB game-time report: “12 mph, Out To RF”
Plate umpire Marvin Hudson
With this umpire run in the 1st in 17 of 23 (74%) · league 50% 23 games
Per 1st inning 1.04 BB+HBP (lg 0.82) · 2.65 K (lg 2.02) · 1.39 runs (lg 1.07)

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
barstool-155+125

Market's NRFI chance: 42% (margin removed, average of 1 books)

Full-game lines not posted yet.

Arizona Diamondbacks at San Diego Padres

9:40 PM ETPetco Park · San Diego, CAFinal
Top 1st Diamondbacks bat vs Rich Hill LHPScoreless
Pitcher, this season scoreless 17 of 24 (71%) · 0.54 runs/1st 24 starts
Pitcher vs Diamondbacks scoreless 1 of 2 (50%) · 0.50 runs/1st 2 starts
Diamondbacks vs LHP scored in 14 of 37 (38%) · 0.54 runs/1st 37 games
Diamondbacks top of orderNot rated yet (updates each morning)
Bot 1st Padres bat vs Zac Gallen RHPScoreless
Pitcher, this season scoreless 21 of 25 (84%) · 0.16 runs/1st 25 starts
Pitcher vs Padres scoreless 3 of 3 (100%) · 0.00 runs/1st 3 starts
Padres vs RHP scored in 28 of 82 (34%) · 0.68 runs/1st 82 games
Padres top of orderNot rated yet (updates each morning)
Wind 10 mph across the field · 71°F, Clear
MLB game-time report: “10 mph, L To R”
Plate umpire Nate Tomlinson
With this umpire run in the 1st in 12 of 26 (46%) · league 50% 26 games
Per 1st inning 0.81 BB+HBP (lg 0.82) · 1.88 K (lg 2.02) · 0.92 runs (lg 1.07)

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
barstool-115-115

Market's NRFI chance: 50% (margin removed, average of 1 books)

Full-game lines not posted yet.

Milwaukee Brewers at Los Angeles Dodgers

10:10 PM ETUNIQLO Field at Dodger Stadium · Los Angeles, CAFinal
Top 1st Brewers bat vs Lance Lynn RHPScoreless
Pitcher, this season scoreless 15 of 24 (63%) · 1.04 runs/1st 24 starts
Pitcher vs BrewersHasn't faced the Brewers
Brewers vs RHP scored in 28 of 85 (33%) · 0.58 runs/1st 85 games
Brewers top of orderNot rated yet (updates each morning)
Bot 1st Dodgers bat vs Corbin Burnes RHPScoreless
Pitcher, this season scoreless 17 of 24 (71%) · 0.58 runs/1st 24 starts
Pitcher vs DodgersHasn't faced the Dodgers
Dodgers vs RHP scored in 32 of 81 (40%) · 0.74 runs/1st 81 games
Dodgers top of orderNot rated yet (updates each morning)
Wind 7 mph across the field · 74°F, Clear
MLB game-time report: “7 mph, L To R”
Plate umpire Chris Guccione
With this umpire run in the 1st in 11 of 24 (46%) · league 50% 24 games
Per 1st inning 0.83 BB+HBP (lg 0.82) · 1.58 K (lg 2.02) · 1.42 runs (lg 1.07)

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
BetRivers-115-108
unibet_us-115-108

Market's NRFI chance: 49% (margin removed, average of 2 books)

Full-game lines not posted yet.