First Pitch: 6:40 PM PT
Venue: Oakland Coliseum, Oakland, California
Surface: Natural Grass
Probable Pitchers:
- SEA — Luis Castillo (RHP)
- OAK — Aaron Civale (RHP)
Weather Outlook (Oakland, CA)
- Temperature: 63–66°F at first pitch
- Wind: 12–16 mph blowing out to right‑center (classic Coliseum marine breeze)
- Humidity: ~70%
- Precipitation: 0%
- Ballpark Impact:
- Cool air suppresses HRs
- Wind helps balls hit to right‑center
- Left‑handed pull hitters get a mild boost
Injury Report
Seattle Mariners
- Julio Rodríguez — Probable (minor back tightness)
- Ty France — OUT (wrist)
- J.P. Crawford — Day‑to‑day (ankle)
- Matt Brash — OUT (elbow)
- Gregory Santos — OUT (lat)
Athletics
- Zack Gelof — Day‑to‑day (hamstring)
- Shea Langeliers — Probable (hand soreness)
- Mason Miller — OUT (shoulder)
- Brent Rooker — OUT (oblique)
- Ken Waldichuk — OUT (elbow)
Team Records & Recent Form
Seattle Mariners (25–29)
- Last 10: 4–6
- Road Record: 11–15
- Run Differential: -18
- Trend: Pitching solid; offense inconsistent and power‑light
- Key Note: Mariners have scored 3 or fewer runs in 7 of last 10
Athletics (27–26)
- Last 10: 6–4
- Home Record: 14–12
- Run Differential: -9
- Trend: Pitching outperforming expectations; offense streaky
- Key Note: A’s have allowed 4 or fewer runs in 8 of last 12
Pitching Matchup Breakdown
SEA — Luis Castillo (RHP)
- 2026 Stats:
- ERA: ~3.54
- WHIP: 1.18
- K/9: 9.7
- HR/9: 0.9
- Profile: Power fastball with elite movement; slider/changeup combo
- Strengths: Dominant vs. RHB; excellent road ERA
- Weaknesses: Can be homer‑prone when fastball leaks up
- Matchup Fit: A’s lineup lacks consistent RH power → advantage Castillo
ATH — Aaron Civale (RHP)
- 2026 Stats:
- ERA: ~4.22
- WHIP: 1.29
- K/9: 8.1
- HR/9: 1.2
- Profile: Cutter/curveball specialist; relies on command
- Strengths: Generates weak contact; effective vs. RH hitters
- Weaknesses: Vulnerable to LHB with lift; struggles 2nd/3rd time through order
- Matchup Fit: Mariners’ left‑handed bats (Cal Raleigh, Luke Raley) match up well
Key Player Matchups
Mariners Hitters vs. Civale
- Cal Raleigh: Power from left side; wind helps his pull‑side HR profile
- Julio Rodríguez: If healthy, elite vs. cutters; extra‑base hit threat
- Luke Raley: Hot May; strong matchup vs. Civale’s curveball
Athletics Hitters vs. Castillo
- Shea Langeliers: Best power threat; but high K% vs. elite velocity
- Tyler Soderstrom: Good vs. RHP; potential XBH threat
- Lawrence Butler: Speed/power combo but inconsistent vs. changeups
Series History
- 2024–2026 Combined: Mariners lead 17–12
- At Oakland Coliseum: Mariners have won 6 of last 9
- Scoring Trend: UNDER in 7 of last 10 meetings
Betting Trends
Seattle Mariners
- 3–7 last 10 as a road favorite
- UNDER 7–3 last 10
- Castillo: Mariners are 6–4 in his starts
Athletics
- 6–2 last 8 at home
- UNDER 6–2 last 8 home games
- Civale: A’s are 5–5 in his starts
Head‑to‑Head
- Mariners 4–1 last 5
- UNDER 6–2 last 8 in Oakland
Game Odds
Seattle Mariners – 110
Athletics 10
Odds Courtesy of Sports Odds Direct as of Sunday, May 24, 2026
