The Mariners are expected to promote Colt Emerson, giving Seattle’s roster a fascinating jolt and putting their prospect plan under immediate pressure.
Mariners prospect Kade Anderson is dominating Double-A with a ridiculous ERA, but his strikeout-to-walk ratio makes the breakout feel more sustainable.
Ryan Sloan’s ERA looks rough through four Double-A starts, but the Mariners prospect is showing signs that his shaky start is more deceptive than alarming.
