SPORTS·SLATE·AI

Yankees at Red Sox — MLB Odds, Starters, Weather · Tuesday, Apr 21, 2026

New York Yankees logo
Yankees
15-9
FINAL
6:45 PM
Red Sox
9-15
Boston Red Sox logo
VENUE
Fenway Park
ROOF
Open
WEATHER
45°F · Clear
E 11mph
WATCH
TBS · NESN+
MONEYLINE · IMPLIED PROBABILITY
UPDATED 1D AGO
NYY
100¢
POLY100¢
KALSHI100¢
BOS
POLY
KALSHI
DISPERSION 1¢ · venues aligned · $3,448,138 combined volume
OUR TAKE · SPORTSSLATEAI MODEL
GENERATED 2D AGO
Market looks well-priced on this one — no edge to take (model NYY lean only +2.4%).
RESULT: WIN·NYY 4-0 BOS
PROBABLE STARTERS
Luis Gil headshot
Luis Gil (R)
NYY · 2 GS · small sample
ERA
7.00
WHIP
1.44
K/9
7.00
BB/9
5.00
IP
9.0
Connelly Early headshot
Connelly Early (L)
BOS · 4 GS
ERA
2.29
WHIP
1.27
K/9
9.15
BB/9
4.58
IP
19.7
GAME PREVIEW · SPORTSSLATEAI
BY SPORTSSLATEAI·UPDATED 2D AGO·505 WORDS

The prediction markets have this Yankees-Red Sox renewal pegged as a pure coin flip at 50¢ each side, but the underlying numbers suggest one team carries a meaningful edge in Monday's Fenway Park opener.

New York enters with a 13-9 record and a +28 run differential that translates to 5.00 runs scored per game against just 3.73 allowed. Boston sits at 9-13 with a -13 run differential, managing 4.05 runs per game while surrendering 4.64. The Yankees' 1.27 run differential per game versus Boston's -0.59 creates nearly a two-run gap in expected performance, yet both teams carry identical 5-5 records over their last 10 games.

The pitching matchup features Luis Gil taking the ball for New York against Boston's Connelly Early. Gil has struggled through two starts with a 7.00 ERA and 1.44 WHIP across 9.0 innings, walking 5.00 per nine while striking out 7.00. His 4.00 HR/9 rate represents a concerning power-contact issue early in 2026. Early counters with a strong 2.29 ERA and 1.27 WHIP through four starts spanning 19.7 innings. The Red Sox lefty has limited home runs to just 0.46 per nine innings while posting a 9.15 K/9 against 4.58 BB/9. Early's 23.8 percent strikeout rate significantly outpaces Gil's 17.1 percent mark.

The Yankees' offensive attack centers around Ben Rice's explosive start at first base. Through 75 plate appearances, Rice has slashed .333/.453/.733 with six home runs and 16 RBI for a 1.186 OPS. Aaron Judge follows at .240/.337/.600 with eight homers despite the lower average, while Paul Goldschmidt provides veteran depth at .188/.350/.500 through limited action. Boston's lineup features Connor Wong's small-sample surge at .381/.435/.571 through 24 plate appearances, though Willson Contreras anchors the order more reliably at .283/.434/.467 with three homers. Wilyer Abreu has contributed .314/.360/.529 production, while Masataka Yoshida sits at .310/.474/.414.

Recent headlines indicate Boston placed Sonny Gray on the injured list with a hamstring issue per MLB Trade Rumors, removing a key rotation piece from their depth chart. The Red Sox rotation already faces questions about Garrett Crochet's sustainability according to CBS Sports coverage.

The staff-wide pitching numbers reveal a significant gap favoring New York. Yankees pitching has posted a 3.49 ERA with 1.18 WHIP, striking out 9.22 per nine against 2.84 walks and 0.85 home runs allowed. Boston's staff sits at 4.27 ERA and 1.30 WHIP with concerning peripherals: 8.01 K/9, 3.79 BB/9, and 1.35 HR/9. The Red Sox have surrendered nearly 60 percent more home runs per inning than New York while walking significantly more batters.

The market's 50-50 pricing appears to overweight Fenway Park's home-field advantage and undervalue the substantial gap in run prevention between these clubs. New York's superior pitching staff and more productive offense create multiple paths to value against an even-money price, particularly with Early's small sample facing regression risk despite his strong early returns.

If you or someone you know has a gambling problem, call 1-800-GAMBLER. Must be 21+. Market prices sourced from prediction markets (Polymarket, Kalshi), not traditional sportsbooks.

RECENT FORM · LAST 5
NYY · 5-0 L5
W 4-2
vsKC · 4/17
W 13-4
vsKC · 4/18
W 7-0
vsKC · 4/19
W 4-0
@BOS · 4/21
W 4-1
@BOS · 4/22
OLDEST → LATEST
BOS · 1-4 L5
L 1-4
vsDET · 4/18
L 2-6
vsDET · 4/19
W 8-6
vsDET · 4/20
L 0-4
vsNYY · 4/21
L 1-4
vsNYY · 4/22
OLDEST → LATEST
INJURIES
New York Yankees logo
NYY5 ON IL
RHP
Clarke Schmidt
Right forearm tightness
60-DAY · 70D
SS
Anthony Volpe
Left shoulder surgery recovery
10-DAY · 32D
LHP
Carlos Rodón
Left elbow surgery recovery
15-DAY · 32D
RHP
Gerrit Cole
Tommy John surgery recovery
15-DAY · 29D
P
Details pending
PATERNITY · 1D
Boston Red Sox logo
BOS7 ON IL
RHP
Tanner Houck
Details pending
60-DAY · 72D
1B
Romy Gonzalez
Left shoulder surgery
60-DAY · 42D
LHP
Patrick Sandoval
Left UCL surgery recovery
15-DAY · 32D
RHP
Kutter Crawford
Right wrist surgery
15-DAY · 32D
P
Right elbow strain
15-DAY · 9D
P
Right hamstring strain
15-DAY · 2D
1B
Triston Casas
Recovery from left patellar tendon repair
10-DAY · 1D
If you or someone you know has a gambling problem, call 1-800-GAMBLER. Must be 21+. Market prices sourced from prediction markets (Polymarket, Kalshi), not traditional sportsbooks.