Watchpoints: Paxton looks to regain form after two shaky starts

Much of the Mariners’ focus this week, as it’s been for several weeks, centers on their rotation. Specifically medical updates and their consequences.

Felix Hernandez is healthy and will rejoin the rotation Friday to start against Houston. Hisashi Iwakuma suffered a setback and will make at least one more rehab start.

Iwakuma’s delayed return means either Sam Gaviglio or, perhaps, just promoted Andrew Moore, will start Saturday against the Astros. Christian Bergman was optioned Wednesday to the Rainiers.

Drew Smyly will throw a simulated game Saturday and could begin a rehab assignment by the end of next week.

For all that, the focus shifts Wednesday to non-medical issues.

Lefty James Paxton is…