First Pitch: 6:40 PM PT
Venue: Oakland Coliseum — Oakland, California
Probable Pitchers: RHP Emerson Hancock (SEA) vs. RHP Luis Severino (OAK)
Venue Profile — Oakland Coliseum
- Location: Oakland, CA
- Dimensions: LF 330 ft, CF 400 ft, RF 330 ft
- Park Factor: One of MLB’s most pitcher-friendly stadiums
- Surface: Natural grass
- Notes:
- Massive foul territory suppresses offense.
- Marine air at night reduces carry on fly balls.
- Right-handed power plays down significantly.
Weather Forecast
- Temperature: 61–64°F at first pitch
- Wind: 10–14 mph blowing out to left-center
- Humidity: 68%
- Precipitation: 0%
- Impact:
- Slight boost for balls hit to left-center.
- Still a low-scoring environment overall.
- Pitchers with command benefit most.
Injury Report
Seattle Mariners
- Julio Rodríguez — Day-to-day (back tightness)
- Ty France — 10‑day IL (wrist)
- Matt Brash — 60‑day IL (elbow)
- Gregory Santos — 15‑day IL (shoulder)
Athletics
- Zack Gelof — Day-to-day (ankle)
- Shea Langeliers — 10‑day IL (hamstring)
- Ken Waldichuk — 60‑day IL (elbow)
- Trevor May — 15‑day IL (forearm)
Team Records & Recent Form
Seattle Mariners (26–29)
- Last 10: 4–6
- Road Record: 11–16
- Run Differential: –15
- Trend: Pitching competitive, but offense inconsistent and overly reliant on HRs.
Athletics (27–27)
- Last 10: 6–4
- Home Record: 14–12
- Run Differential: –8
- Trend: Overachieving; pitching staff stabilizing; lineup improving with young bats.
Pitching Matchup Breakdown
SEA — RHP Emerson Hancock
- 2026 Stats: 4.22 ERA | 1.31 WHIP | 7.6 K/9
- Profile:
- Sinker/slider righty with improving command.
- Generates ground balls but can be hit hard when behind in counts.
- Struggles vs. LHB with power.
- Matchup Notes:
- Oakland’s left-handed bats (Soderstrom, Butler) match up well.
- Coliseum helps mitigate Hancock’s HR vulnerability.
ATH — RHP Luis Severino
- 2026 Stats: 3.71 ERA | 1.18 WHIP | 9.1 K/9
- Profile:
- Fastball/slider veteran with renewed velocity (95–97).
- When healthy, still generates elite swing-and-miss.
- Occasional command lapses lead to big innings.
- Matchup Notes:
- Mariners strike out at one of the highest rates in MLB.
- Severino’s slider is a major problem for SEA’s right-handed core.
Key Player Matchups
Mariners Hitters vs. Severino
- Cal Raleigh: Power threat but high K-rate vs. elite sliders.
- J.P. Crawford: Best SEA bat vs. high-velo RHP; OBP threat.
- Mitch Haniger: Familiar with Severino; potential RBI spot.
Athletics Hitters vs. Hancock
- Tyler Soderstrom: Excellent vs. sinkers; HR candidate.
- Brent Rooker: Power bat but streaky; Coliseum suppresses his upside.
- Lawrence Butler: Speed/power combo; benefits from Hancock’s ground-ball tendencies.
Series History
- 2025 Season: Mariners won 9–4.
- 2026 Season (so far): First meeting.
- At Oakland Coliseum (last 3 years): Mariners 14–10.
- Trend: Seattle has historically controlled this matchup, especially in low-scoring games.
Betting Trends
Seattle Mariners
- Under is 7–3 in last 10 games
- Mariners 2–6 in last 8 road games
- SEA 6–2 in last 8 vs. AL West
Athletics
- 5–1 in last 6 home games
- Under is 8–3 in last 11 home games
- A’s 7–3 in last 10 vs. losing teams
Head-to-Head
- Under is 6–2 in last 8 meetings
- Mariners 7–3 in last 10 vs. Oakland
Game Odds
Seattle Mariners 9.5
Athletics – 110
Odds Courtesy of Sports Odds Direct as of Monday, May 25, 2026
