Mariners waiting for James Paxton or Nathan Karns to take control of battle for rotation spot

Pitcher Nathan Karns takes a deep breath in the dugout before starting on the mound as the Seattle Mariners play the San Diego Padres at Peoria Stadium for their second game of Cactus League play in Peoria, Arizona, Wednesday March 2, 2016.

On Wednesday night, Karns suffered through his worst outing of the spring, giving up nine runs (seven earned) on eight hits with two walks and four strikeouts in 21/3 innings against the A’s.

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