Diamondbacks avoided arbitration with RHP Ian Kennedy by agreeing to a one-year, $4.265 million contract.
Padres purchased the contract of INF Cory Spangenberg from Double-A San Antonio.
Royals activated 1B Eric Hosmer from the 15-day disabled list.
Royals purchased the contract of LHP Brandon Finnegan from Double-A Northwest Arkansas.
According to Matt Gelb of the Philadelphia Inquirer, the Phillies will promote Maikel Franco on Tuesday.
Miguel Cabrera (ankle) is serving as the Tigers' designated hitter on Monday against the Indians.
Justin Masterson has been demoted to the bullpen.
Athletics activated SS Jed Lowrie from the 15-day disabled list.
Evan Drellich of the Houston Chronicle reports that the Astros have fired manager Bo Porter.
Kolten Wong (head) passed additional concussion tests on Monday morning in St. Louis.
Carlos Gomez (wrist) is not in the Brewers' starting lineup Monday afternoon against the Cubs.
Dustin Pedroia (concussion) is unlikely to return to the Red Sox lineup before the weekend.