Rafael Betancourt (groin) is scheduled to undergo an MRI on Wednesday.
Trevor Plouffe was tested for concussion symptoms after he took a knee to the head Tuesday on a slide into second base.
Matt Guerrier struck out a pair over two scoreless innings of relief Tuesday against the Rockies.
Matt Belisle tossed a scoreless inning of relief in Tuesday's victory over Arizona.
Xavier Paul has hit whenever he's been called upon by the Reds, slashing .270/.400/.405 over 90 plate appearances.
Casey Fien struck out two in a perfect inning of relief Tuesday against the Braves.
J.P. Howell's first season in Los Angeles is off to a strong start, as the left-hander has a 2.89 ERA through 19 appearances for the Dodgers.
Andrew Miller is proving his 2012 breakout was no fluke, posting a 3.86 ERA and 24/8 K/BB rate over 20 appearances.