First pitch is scheduled for 9:40 p.m. ET
Venue: Petco Park, San Diego, California
TV/Streaming: Padres.TV Presented by UC San Diego Health (Padres), Mariners.TV (Mariners); radio on KWFN 97.3 FM / XEMO 860 AM (SD) and Seattle Sports 710 AM (SEA)
Series: First of a three-game set (Mariners at Padres April 14-16) — opening 2026 matchup between the clubs.
Weather Update
Game-time conditions at Petco Park (open-air) are forecast to be mild and clear, with temperatures around 65°F, humidity in the 70% range, and west-northwest winds at 11-12 mph. There is a 0% chance of precipitation. These evening conditions should play neutral-to-slightly pitcher-friendly at Petco (a park known for suppressing offense), with the total set around 7 runs. Light winds may keep fly balls in check, favoring strong starting pitching.
Team Records & Recent Form
Mariners (8-9, 3rd in AL West, 1.5 GB, 1-5 away): Seattle is 5-5 in its last 10 games. The offense has shown improvement lately (winning three straight vs. Houston: 6-2, 6-1, 8-7), but road struggles remain an issue. They rank lower in runs scored overall but boast elite pitching peripherals.
Padres (10-6, 2nd in NL West, 2.0 GB, 6-4 home): San Diego is rolling at 8-2 in its last 10, including a four-game sweep of Colorado (7-2, 9-5, 5-2, 7-3). They’ve been strong at home and rank well in scoring (4.63 runs/game in recent contexts), though the bullpen has been tested.
Injury Report
Mariners (rotation and lineup depth impacted):
Miles Mastrobuoni (INF/3B) — 10-day IL (calf strain).
Bryce Miller (SP) — 15-day IL (oblique inflammation).
Victor Robles (OF/RF) — 10-day IL (pectoral strain).
Carlos Vargas (RP) — 60-day IL (lat strain).
Logan Evans (SP) — 60-day IL (Tommy John surgery; out for season).
Padres (bullpen and rotation thinned):
Yuki Matsui (LHP) — 15-day IL (groin strain).
Jeremiah Estrada (RP) — 15-day IL (elbow tendinitis).
Joe Musgrove (SP) — 15-day IL (elbow).
Will Wagner (INF) — 10-day IL (oblique).
Bryan Hoeing (RP) — 15-day IL (elbow).
Additional earlier notes: Jason Adam (RP) on IL previously.
Both teams are shorthanded in pitching depth, but Seattle’s absences hit the rotation harder while San Diego’s affect the bullpen and bench.
Probable Pitchers & Key Player Matchups
Mariners: RHP Bryan Woo (0-1, 1.50 ERA, 0.78 WHIP, 17 K, 0 HR in 18.0 IP)
Woo has been dominant early with elite command and no homers allowed. He’s 3-0 with a 2.33 ERA in 19.1 career IP vs. the Padres.
Padres: RHP Michael King (1-1, 3.24 ERA, 1.20 WHIP, 15 K in 16.2 IP)
King brings solid stuff but has a 0-3 career mark vs. Seattle (though 2.76 ERA in 16.1 IP). He’ll need to limit damage against a Mariners lineup that can capitalize on mistakes.
Key Position Player Matchups/Notes (based on career/history vs. opposing pitcher):
Padres threats vs. Woo: Fernando Tatis Jr. (strong .333+ OPS history vs. Woo in limited ABs); other power bats looking to break through.
Mariners threats vs. King: Cal Raleigh (hot .956 OPS vs. King in small sample); Julio Rodríguez (though lower AVG historically).
Overall edge: Slight pitching advantage to Seattle with Woo’s microscopic early ERA and history vs. San Diego. Petco’s dimensions favor the better command pitcher.
Series History
This is the clubs’ first meeting of 2026. All-time, the Mariners hold a modest edge (approximately 73-64). In recent full seasons, results have been split (e.g., SEA took 5-1 in 2025, 3-1 in 2024), with no overwhelming home/away dominance. The Padres will look to leverage their current hot streak at Petco.
Betting Trends
Mariners are strong when their starter posts sub-2.00 ERA early; Padres are 8-2 lately but unders have hit in several home games with quality pitching. Road favorites with elite young arms like Woo have value, while Petco nights suppress totals.
Game Odds
Seattle Mariners – 122
San Diego Padres 7
Odds Courtesy of Sports Odds Direct as of Monday, April 13, 2026
