It’s not clear at this point what kind of timeline the team anticipates for Axford to return. Oakland will pull up righty Jesse Hahn from Triple-A to take Axford’s spot on the roster for the time being.
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Axford, 34, hadn’t appeared yet in game action but was seen warming up in the pen. He threw 7 2/3 frames in Spring Training, allowing three earned on ten hits and five walks while notching just three strikeouts.
The A’s still have some flux in their late-inning bullpen plans, but Axford would figure to fit in as a setup arm. Last year, he threw 65 2/3 innings of 3.97 ERA ball with 8.2 K/9 against 4.1 BB/9. Though that represented a falloff in the strikeout department, he was still working at 95.6 mph with his average fastball and managed a 10.6% swinging-strike rate that was the second-highest mark of his career.