Venue: Petco Park — San Diego, California
Scheduled First Pitch: 5:40 p.m. PDT
Surface: Kentucky bluegrass
Weather Forecast – Petco Park
Temperature: 74°F at first pitch
Wind: 8–11 mph blowing out to left-center
Humidity: 68%
Sky: Clear coastal evening
Run Environment: Petco Park is normally pitcher-friendly, but warm air + wind out to left-center gives a mild boost to right-handed pull hitters and opposite-field left-handed hitters.
Probable Pitchers
San Francisco – RHP Tyler Mahle
2026 Season: 4.44 ERA, 1.29 WHIP, 112.0 IP, 23.1% K, 7.3% BB
Profile:
Four-seam/slider/split-change mix.
Generates swing-and-miss with slider but is homer-prone when fastball command drifts up.
Padres’ lineup features multiple right-handed power bats (Machado, Bogaerts, Campusano) who feast on elevated heaters.
Must keep the ball down to survive Petco’s modest wind boost.
San Diego – RHP Walker Buehler
2026 Season: 3.36 ERA, 1.14 WHIP, 118.1 IP, 27.9% K, 6.2% BB
Profile:
High-spin four-seam/curveball/cutter arsenal.
Excellent command and elite strikeout ability.
Giants’ lineup is left-handed heavy (Yastrzemski, Wade Jr., Conforto), giving Buehler a favorable matchup.
Only vulnerability: occasional HR issues when curveball hangs.
Current Rosters
San Francisco Giants – Key Position Players
1B LaMonte Wade Jr.
2B Thairo Estrada
SS Marco Luciano
3B Matt Chapman
LF Michael Conforto
CF Luis Matos
RF Mike Yastrzemski
DH Jorge Soler
C Patrick Bailey / Blake Sabol
San Diego Padres – Key Position Players
1B Jake Cronenworth
2B Xander Bogaerts
SS Jackson Merrill
3B Manny Machado
LF Jurickson Profar
CF Trent Grisham
RF Fernando Tatis Jr.
DH Luis Campusano
C Luis Campusano / Kyle Higashioka
Injury Reports
San Francisco Giants
Logan Webb – IL (shoulder)
Kyle Harrison – IL (elbow)
Brandon Crawford – IL (back)
Alex Cobb – IL (hip)
San Diego Padres
Joe Musgrove – IL (forearm)
Yu Darvish – IL (shoulder)
Ha-Seong Kim – IL (ankle)
Robert Suarez – IL (lat strain)
Recent Team Form
San Francisco Giants – Last 10 Games: 3–7
Offense averaging 3.9 runs per game.
Bullpen ERA last 10: 4.72.
Road record: 21–34.
Matt Chapman has 3 HR in his last 8 games.
San Diego Padres – Last 10 Games: 6–4
Offense averaging 5.1 runs per game.
Bullpen has been solid: 3.41 ERA last 10.
Home record: 31–25.
Fernando Tatis Jr. has 4 HR in his last 9 games.
Series History (2024–2026)
Padres have controlled the rivalry recently.
2026 head-to-head: Padres lead 5–2 entering this matchup.
Petco Park games between these teams since 2024 have averaged 7.6 runs.
Padres have won 7 of last 10 at home vs Giants.
Key Player vs Player Matchups
Tyler Mahle vs Fernando Tatis Jr.
Tatis crushes elevated fastballs and handles sliders well.
Mahle’s command volatility makes this a dangerous matchup.
Edge: Tatis (major)
Tyler Mahle vs Manny Machado
Machado thrives vs mid-velocity fastballs and hanging sliders.
Mahle’s split-change could induce weak contact if located.
Edge: Machado
Walker Buehler vs LaMonte Wade Jr.
Wade Jr. struggles vs high-spin fastballs up in the zone.
Buehler’s cutter/curve combo is a strong matchup advantage.
Edge: Buehler
Walker Buehler vs Michael Conforto
Conforto’s pull power is dangerous with wind blowing out.
Buehler must avoid middle-middle heaters.
Edge: Buehler, but HR risk.
Betting Trends (2026 Season)
San Francisco Giants
ML: 47–63
O/U: 49–59–2
As road underdog: 18–33
First 5 innings unders: 58%
San Diego Padres
ML: 56–54
O/U: 57–51–2
As home favorite: 25–18
Full-game overs at home: 55%
Head-to-head trends
Padres have covered run line in 6 of last 9 meetings.
Unders have hit in 5 of last 8 at Petco Park.
Game Odds
San Francisco Giants 8.5
San Diego Padres – 143
Odds Courtesy of Sports Odds Direct as of Friday, July 31, 2026
