St. Louis Cardinals left-hander Jaime Garcia will reportedly undergo season-ending surgery to repair a torn labrum in his left shoulder.
Brewers veteran pitcher Kyle Lohse will miss his next start on Saturday against the Pirates with what manager Ron Roenicke called "irritation" in his right elbow.
The Texas Rangers have purchased the contract of Ross Wolf from Triple-A Round Rock.
The Cleveland Indians seem to be the flavor of the moment.
The Minnesota Twins placed third baseman Trevor Plouffe on the 7-day concussion disabled list prior to Wednesday's game against the Atlanta Braves.
The Chicago White Sox announced on Tuesday that Chris Sale will not take his usual turn during Wednesday's series finale with the Boston Red Sox due to tendinitis in his left shoulder.
Chicago Cubs pitcher Matt Garza will return to a major league mound for the first time in 10 months on Tuesday, with the team reinstating the right-hander from the 15-day disabled list to start against the Pittsburgh Pirates.
The Baltimore Orioles reinstated pitcher Miguel Gonzalez from the 15-day disabled list.
The Chicago Cubs have claimed pitcher Eduardo Sanchez off waivers from the St. Louis Cardinals.
As expected, the San Francisco Giants placed right-hander Ryan Vogelsong on the 15-day disabled list Tuesday.