Arizona activates Scherzer to face Cardinals

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PHOENIX (AP) -- The Arizona Diamondbacks optioned right-handed reliever Billy Buckner to Triple-A Reno on Tuesday. Buckner had allowed seven earned runs in four innings, a 15.75 ERA.

Buckner was sent down after the team activated right-hander Max Scherzer from the 15-day disabled list in time to start against the St. Louis Cardinals.