3.21
ERA
1.64
WHIP
8.4
K/9
14.0
IP
3
GS
2.6
BB/9
Boston Red Sox vs Athletics
—:—
9:40 PM ET
H2H 3–3
ATH · Home · 45-62
Athletics
Starting pitchers
6.12
ERA
1.67
WHIP
7.4
K/9
64.2
IP
13
GS
5.6
BB/9
Starter form · last 5 starts
Matchup edge
Patrick Sandoval pitching edge·Boston bullpen edge
Lineup not yet announced · posted ~1–2 hrs before first pitch
Projected hitters vs LHP / LHP
Boston vs LHP
Avg OPS 0.9214 hot hittersTop: Seigler 0.967 · Abreu 0.958 · Contreras 0.952
Projected sample — season splits vs pitcher hand, not official order.
Athletics vs LHP
Avg OPS 0.9053 hot hittersTop: Langeliers 1.025 · Serven 1.000 · Kuroda-Grauer 0.900
Projected sample — season splits vs pitcher hand, not official order.
Boston Red Sox hitters vs LHP (projected)
Batter
AVG
OPS
HR
Athletics hitters vs LHP (projected)
Batter
AVG
OPS
HR
◆ Matchup preview
Boston Red Sox at Athletics (2026-07-29). Patrick Sandoval vs Jacob Lopez at Sutter Health Park.
Starters — Sandoval has a 3.21 ERA and 1.64 WHIP across 14.0 innings, with 8.36 K/9, 2.57 BB/9, and 0.64 HR/9. His last three starts were 4.2 innings with 0 earned runs, 5.0 innings with 4 earned runs, and 4.1 innings with 1 earned run. The strikeout rate is solid, the walk rate is controlled, and the sample is still small. Lopez carries a 6.12 ERA and 1.67 WHIP over 64.2 innings, with 7.38 K/9, 5.57 BB/9, and 1.53 HR/9. His last three starts were 5.0 innings with 0 earned runs, 4.1 innings with 2 earned runs, and 1.2 innings with 0 earned runs. The recent game log is cleaner, but the broader profile still shows command issues and home run risk despite a downward trend.
Teams — Boston enters with a .707 OPS, 445 runs scored, a 3.55 team ERA, and a 1.23 team WHIP, and is 7-3 over its last 10 games. The Red Sox profile as the steadier run-prevention side, even if the lineup numbers are more middle tier than explosive. The Athletics have a .725 OPS and 474 runs scored, so the offense has been slightly more productive on the season, but the pitching staff has struggled to a 5.32 ERA and 1.48 WHIP. Oakland is 4-6 in its last 10, and the gap between its offensive output and staff efficiency remains the central handicap.
Key facts
Boston bullpen and staff edge with 3.55 ERA and 1.23 WHIPOakland offense has the better season OPS at .725 and more runs scored at 474Lopez has allowed 11 HR in 64.2 IP with a 5.57 BB/9
Head to head (2025–2026)
3—3
Series tied
6 meetings total
2025-09-18
Athletics @ Boston Red Sox
5–3
ATH
2025-09-17
Athletics @ Boston Red Sox
4–5
BOS
2025-09-16
Athletics @ Boston Red Sox
2–1
ATH
2025-09-10
Boston Red Sox @ Athletics
4–5
ATH
2025-09-09
Boston Red Sox @ Athletics
6–0
BOS
Team picture · 2026
BOS
ATH
Team AVG
0.244
0.245
Team OPS
0.707
0.725
Home runs
100
131
Runs scored
445
474
Team ERA
3.55
5.32
HR allowed
107
165
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