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San Francisco Giants vs Arizona Diamondbacks Starting Lineup — Wednesday, Jul 1, 2026

Wednesday, Jul 1, 2026Chase FieldFinalStarting Lineups
SF · Away

San Francisco Giants

SP: Trevor McDonald · ERA 5.12
6-4
Final
AZ · Home

Arizona Diamondbacks

SP: Zac Gallen · ERA 6.34
Final Lineup2026 season stats · career vs opposing starter
Full matchup preview

Final Lineups

San Francisco Giants @ Arizona Diamondbacks · Wednesday, Jul 1, 2026

◆ Lineup notes

Away batters facing Zac Gallen have some history, with Luis Arraez leading the way with a .300 average and .636 OPS across 21 plate appearances. Casey Schmitt has performed well against Gallen, hitting .400 with a 1.064 OPS in 11 plate appearances, while Jung Hoo Lee also boasts a .300 average and .964 OPS in 11 plate appearances. Bryce Eldridge is 1-for-4 with a .500 OPS. Rafael Devers has struggled, going 2-for-12 with a .583 OPS in 15 plate appearances, and Heliot Ramos is 1-for-12 with a .381 OPS in 14 plate appearances. Victor Bericoto, Drew Cavanaugh, and Christian Koss have no MLB history against Zac Gallen.

Home batters facing Trevor McDonald have limited but impactful history. Ketel Marte has been particularly effective, going 3-for-5 with a 1.200 OPS. Geraldo Perdomo is 1-for-2 in 4 plate appearances, including two walks, resulting in a 1.250 OPS. Corbin Carroll is 1-for-4 with a .500 OPS, and Adrian Del Castillo is also 1-for-4 with a .500 OPS. Tommy Troy has a 1-for-3 record with a .666 OPS. Gabriel Moreno is hitless in his only at-bat against McDonald, with a .000 OPS. Lourdes Gurriel Jr., Nolan Arenado, and Pavin Smith have no MLB history against Trevor McDonald.

The away lineup has more batters with prior plate appearances against the opposing starter, Zac Gallen, compared to the home lineup's history against Trevor McDonald.

San Francisco Giants
San Francisco Giants
SP: Zac Gallen · ERA 6.34
#BatterAVGOBPOPSHRRBIvAVGvOPS
1Luis Arraez0.3160.3500.7845490.3000.636
2Casey Schmitt0.2710.3010.78421550.4001.064
3Bryce Eldridge0.2460.3390.77713300.2500.500
4Rafael Devers0.2450.3200.78724650.1670.583
5Heliot Ramos0.2470.2950.6949340.0830.381
6Jung Hoo Lee0.2900.3250.7589460.3000.964
7Victor Bericoto0.2710.2820.768410
8Drew Cavanaugh0.2500.3630.62805
9Christian Koss0.1920.2240.45702
2026 season: AVG · OBP · OPS · HR · RBIvAVG / vOPS = career vs this SP
Arizona Diamondbacks
Arizona Diamondbacks
SP: Trevor McDonald · ERA 5.12
#BatterAVGOBPOPSHRRBIvAVGvOPS
1Ketel Marte0.2510.3150.76321670.6001.200
2Geraldo Perdomo0.2520.3630.7449420.5001.250
3Corbin Carroll0.2460.3400.82418570.2500.500
4Gabriel Moreno0.3040.3810.8338540.0000.000
5Lourdes Gurriel Jr.0.2070.2540.541221
6Adrian Del Castillo0.1990.2530.5715240.2500.500
7Nolan Arenado0.2400.3190.7491858
8Pavin Smith0.1410.2360.42816
9Tommy Troy0.2230.2990.663490.3330.666
2026 season: AVG · OBP · OPS · HR · RBIvAVG / vOPS = career vs this SP
◆ Matchup preview

San Francisco Giants at Arizona Diamondbacks (2026-07-01). Trevor McDonald vs Zac Gallen at Chase Field.

Trevor McDonald enters this matchup with a season ERA of 4.94 and a WHIP of 1.35 over 51 innings pitched, showing a moderate strikeout rate of 7.94 K/9 and a walk rate of 3.35 BB/9. His recent trend indicates a downward movement in ERA, and he has a 50% quality start percentage, suggesting some reliability. Zac Gallen, on the other hand, has struggled more this season with a 6.15 ERA and a 1.58 WHIP across 86.1 innings, accompanied by a lower strikeout rate of 5.42 K/9 and a similar walk rate of 2.81 BB/9, with his ERA trending upwards and a quality start percentage of only 16.7%.

The Giants' offense maintains a .254 batting average and a .724 OPS, having scored 343 runs this season, indicating a solid offensive capability. Their pitching staff holds a 4.37 ERA and a 1.37 WHIP, allowing 85 home runs. The Diamondbacks' offense carries a .238 batting average and a .697 OPS, scoring 363 runs, slightly more than the Giants despite a lower OPS. Arizona's pitching has a 4.30 ERA and a 1.29 WHIP, but they have allowed significantly more home runs with 104.

Recent head-to-head contests between these two teams have seen a mix of outcomes, with the Giants winning 7 of the last 13 meetings. The total line for this game is set at 9.5 runs, which appears to align with the higher ERAs of both starting pitchers and the Diamondbacks' tendency to allow more home runs, suggesting potential for offense. Given Gallen's struggles and McDonald's improving trend, the matchup could lean towards more run production.

Key facts
McDonald ERA 4.94Gallen ERA 6.15Giants OPS 0.724Total 9.5