First Pitch: 6:07 PM PT
Probable Pitchers:
- SF — Mason McDonald (RHP)
- OAK — Luis Severino (RHP)
VENUE — OAKLAND COLISEUM
- Location: Oakland, California
- Dimensions: 330 LF, 388 LCF, 400 CF, 388 RCF, 330 RF
- Park Factors: One of MLB’s most pitcher‑friendly parks; massive foul territory suppresses offense
- Surface: Natural grass
- Weather impact: Cool Bay Area air reduces carry to all fields
WEATHER FORECAST
- Temperature: 61–64°F at first pitch
- Sky: Clear
- Humidity: 63%
- Wind: 10–14 mph blowing in from center field
- Chance of Rain: 0%
- Expected Conditions: Strongly pitcher‑friendly, especially for fly‑ball hitters
INJURY REPORT
SAN FRANCISCO GIANTS
- Michael Conforto — OUT (hamstring strain)
- Jung Hoo Lee — OUT (shoulder surgery)
- Logan Webb — Day‑to‑day (back tightness)
- LaMonte Wade Jr. — Probable (rest day Friday)
- Camilo Doval — OUT (forearm inflammation)
ATHLETICS
- Zack Gelof — Day‑to‑day (ankle soreness)
- Brent Rooker — Probable (hand contusion)
- Paul Blackburn — OUT (elbow)
- Mason Miller — OUT (shoulder fatigue)
- Esteury Ruiz — OUT (wrist fracture)
TEAM RECORDS & RECENT FORM
SAN FRANCISCO GIANTS (18–27)
- Last 10 games: 3–7
- Road record: 7–15
- Run differential: –41
- Strengths: Decent rotation depth, improving defense
- Weaknesses: Injuries to key bats, bullpen instability, low slugging
ATHLETICS (23–21)
- Last 10 games: 6–4
- Home record: 12–10
- Run differential: –3
- Strengths: Power bats (Rooker, Soderstrom), improved starting pitching
- Weaknesses: Bullpen volatility, inconsistent OBP, injuries to speed threats
STARTING PITCHER BREAKDOWN
SF — MASON McDONALD (RHP)
2026 Season Stats
- Record: 1–4
- ERA: 4.52
- WHIP: 1.33
- K/BB: 29/11
- Last 3 starts: 15.0 IP, 9 ER, 12 K
Pitch Mix
- Four‑seam (95)
- Slider (86)
- Curveball (79)
- Changeup (84)
Matchup Notes
- A’s struggle vs high‑spin breaking balls
- McDonald’s slider is his best pitch
- Key risk: Oakland’s RH power (Rooker, Soderstrom) punishes elevated fastballs
ATH — LUIS SEVERINO (RHP)
2026 Season Stats
- Record: 4–2
- ERA: 3.61
- WHIP: 1.20
- K/BB: 48/14
- Last 3 starts: 18.2 IP, 7 ER, 19 K
Pitch Mix
- Four‑seam (97)
- Slider (87)
- Changeup (88)
- Cutter (91)
Matchup Notes
- Giants’ lineup is left‑hand heavy, which Severino handles well
- His slider is a major weapon vs SF’s swing‑and‑miss tendencies
- Key risk: Severino can be homer‑prone if his fastball leaks arm‑side
KEY PLAYER MATCHUPS
1. Brent Rooker vs Mason McDonald
- Rooker crushes elevated fastballs
- McDonald must rely on slider/curveball early
- HR threat every AB
2. Thairo Estrada vs Luis Severino
- Estrada handles velocity well
- Severino’s slider is the equalizer
- Estrada is SF’s most consistent bat
3. Tyler Soderstrom vs McDonald’s breaking balls
- Soderstrom struggles vs high‑spin sliders
- McDonald must exploit this matchup
4. Matt Chapman vs Severino
- Chapman’s power plays well vs fastballs
- But Severino’s cutter can jam him consistently
SERIES HISTORY
- 2025 season series: Split 2–2
- At Oakland Coliseum: A’s have won 4 of last 6
- Last 10 meetings: A’s 6 – Giants 4
- Unders hit in 7 of last 10 matchups
- Coliseum’s dimensions heavily suppress offense in this rivalry
BETTING TRENDS
SAN FRANCISCO
- 2–7 in last 9 road games
- 1–4 in McDonald’s last 5 starts
- Under is 6–3 in last 9 games
ATHLETICS
- 5–2 in last 7 home games
- 4–1 in Severino’s last 5 starts
- Over is 4–1 in last 5 games
HEAD‑TO‑HEAD
- A’s 6–4 last 10
- Under 7–3 last 10
- Home team 5–2 last 7
Game Odds
San Francisco Giants 9.5
Athletics – 136
Odds Courtesy of Sports Odds Direct as of Friday, May 15, 2026
