Daniel Norris said he was dealing with a "dead arm" during Monday's outing versus the Braves in which he allowed nine runs on 13 hits and a walk over three innings.
Jordan Zimmermann yielded one run in 5 1/3 innings Sunday against a Blue Jays split-squad.
Francisco Rodriguez gave up a pair of homers to minor leaguers in the ninth to take a blown save and a loss Sunday against the Blue Jays.
Nicholas Castellanos homered, doubled and walked Sunday against the Blue Jays.
Miguel Cabrera singled in a run and struck out in two at-bats Sunday against the Blue Jays.
Anthony Gose will begin throwing bullpen sessions as a conversion to pitcher is considered.
Tigers optioned C John Hicks to Triple-A Toledo; re-assigned OF Anthony Gose, RHPs Ruben Alaniz, Joe Jimenez, Logan Kensing, Arcenio Leon, Edward Mujica and 1B Dominic Ficiciello to minor league camp.
Tigers released RHP Mark Lowe.
Tyler Collins went 1-for-3 and drilled a three-run bomb in a loss to the Pirates on Saturday.
Anibal Sanchez tossed six hitless, scoreless frames while striking out six batters but the Tigers still lost to the Pirates on Saturday.
Miguel Cabrera said Saturday that his back is improving and that he's scheduled to play first base in a Grapefruit League game on Sunday.
Tigers manager Brad Ausmus announced Saturday that Michael Fulmer will start the team's home opener against the Red Sox on Friday, April 7.
Matt Boyd struck out five over five scoreless innings Friday as the Tigers edged the Braves 3-2 in 10 innings.
Tyler Collins returned to action Friday and went 1-for-3 against the Braves.
J.D. Martinez will be shut down for 3-4 weeks after being diagnosed with a sprained Lisfranc ligament in his right foot.