Mariners face pitching depth challenge as they lead AL West
2 sources • 1 min read • Latest: Jun 3, 2026, 3:22 PM
Last updated Jun 3, 2026

As of June 3, the Mariners are in first place in the AL West, having improved their record significantly after a tough start. Following an 8-13 opening, they have posted the sixth-best record in baseball. The team is now managing six capable starting pitchers, including Emerson Hancock, who has a 2.80 ERA. Recent pitching strategies have included a piggyback system between Luis Castillo and Bryce Miller, resulting in a combined 1.67 ERA. The Mariners will transition to a six-man rotation starting Friday, with 10 games in 10 days ahead.
- •Mariners improved from an 8-13 start to first in AL West.
- •Emerson Hancock contributes to a deep starting rotation with a 2.80 ERA.
- •Castillo and Miller combined for a 1.67 ERA under a piggyback system.
- •Seattle will implement a six-man rotation as they prepare for a busy schedule.
- •Upcoming stretch includes 10 games in 10 days.
- 3:22 PMCBS MLB — MLB trends: A good problem for the Mariners, a bad one for the Phillies and how Chase Burns defies tradition
"Here's what's going on around the league as it turns to June
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