Los Angeles Angels vs Seattle Mariners Preview
Today's Starting Matchup
Today's starting pitching matchup features Los Angeles Angels's Ryan Johnson (1-2, 8.84 ERA) against Seattle Mariners's George Kirby (6-7, 3.94 ERA).
Seattle Mariners's George Kirby posts an league-average 3.94 ERA this season, while Ryan Johnson has been struggling at 8.84. There is a clear gap in starting pitching quality.
Advanced metrics: Ryan Johnson — FIP 6.31, K% 16.5%, 19.3 IP / George Kirby — FIP 3.35, K% 20.9%, 96.0 IP
Team Season Comparison
2026 season record: Los Angeles Angels 36-49 (.424), Seattle Mariners 42-43 (.494).
Seattle Mariners holds the edge in the season standings, though Los Angeles Angels can't be counted out based on head-to-head matchups.
Recent form: Los Angeles Angels on a 2-game win streak, Seattle Mariners on a 2-game losing streak.
Based on starting pitching, Seattle Mariners holds the edge.
Bullpen Analysis
Los Angeles Angels bullpen: 13 relievers on the active roster. Key arms: Brent Suter 4.13 ERA, 40K in 48.0IP, Chase Silseth (Setup) 2.37 ERA, 35K in 30.1IP, José Fermin 3.52 ERA, 24K in 23.0IP.
Seattle Mariners bullpen: 13 relievers on the active roster. Key arms: Andrés Muñoz (Closer) 4.91 ERA, 46K in 29.1IP, Bryan Woo 4.26 ERA, 92K in 93.0IP, Bryce Miller 1.97 ERA, 54K in 45.2IP.
Win Probability
Projected win probability: Los Angeles Angels 15% vs Seattle Mariners 85%
Factors: Seattle Mariners's starter owns the lower ERA, Seattle Mariners's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.
Key Tactical Points
Workload comparison: Ryan Johnson averages 6.4 IP per start vs. George Kirby at 6.0 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.