CBS Sports' Jon Heyman reports that the Cubs have agreed to a deal with Carlos Villanueva.
Jose Reyes (ankle) will join Triple-A Buffalo on Friday to continue his rehab assignment.
An MRI taken Wednesday on Brandon Morrow's troublesome right forearm showed no major damage.
Trevor Cahill was pulled from Wednesday's game against the Marlins after taking a line drive off his leg.
Pablo Sandoval (foot) will begin a minor league rehab assignment Saturday with High-A San Jose.
Angel Pagan (hamstring) will begin a minor league rehab assignment Thursday with High-A San Jose.
Brewers placed OF Norichika Aoki on the paternity leave list.
Padres placed SS Everth Cabrera on the 15-day disabled list, retroactive to June 17, with a mild left hamstring strain.
The Astros have officially agreed to terms with No. 1 overall pick Mark Appel.
Red Sox agreed to terms with first-round pick LHP Trey Ball.
Nationals activated 2B Danny Espinosa from the 15-day disabled list; optioned him to Triple-A Syracuse.
Nationals general manager Mike Rizzo said on 106.7 The Fan on Wednesday that Bryce Harper (knee) will resume baseball activities in "the next day or two."