The Chicago Cubs have selected left-hander Clayton Richard's contract from Triple-A Iowa in time for Saturday's start against the Miami Marlins and placed catcher David Ross on the seven-day concussion disabled list.
They also selected catcher Taylor Teagarden's contract from Iowa and optioned right-hander Donn Roach to Triple-A on Saturday. Infielder Tommy La Stella was transferred to the 60-day disabled list from the 15-day DL, and right-hander Gonzalez Germen was designated for assignment.
Richard, acquired Friday from Pittsburgh for cash, was making his first major league appearance since 2013 with San Diego. He had left shoulder surgery in June that season.
The move involving the 38-year-old Ross is retroactive to Thursday. He is batting .189 with four RBIs in 38 games.
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