Reds activated OF Scott Schebler from the 10-day disabled list.
Cardinals' general manager John Mozeliak said Friday that Alex Reyes will begin a minor league rehab assignment in mid-May.
J.D. Martinez is absent from the Red Sox' lineup for Friday's contest against the Athletics.
Anthony Rendon (toe) remains out of the Nationals' lineup for a sixth straight game on Friday.
Zack Cozart is not in the Angels' starting lineup for Friday's showdown against the Giants.
Padres optioned LHP Tyler Webb to Triple-A El Paso.
Padres activated 1B/OF Wil Myers from the 10-day disabled list.
Diamondbacks recalled RHP Matt Koch from Triple-A Reno.