The Cleveland Indians today announced the following transactions relative to the Major League and 40-man rosters:
Activated LHP TYLER OLSON (#49) from the 10-day Disabled List. 
Designated LHP MARC RZEPCZYNSKI for assignment.  
Olson has been on the 10-day D.L. since June 17 with a strained left latissimus dorsi. He recently appeared in three rehab games with AAA Columbus, July 4-7, tossing 1.1 innings without yielding a hit or earned run (4 strikeouts). He has appeared in 28 games for the Indians this year, posting a 7.27 ERA and limiting left-handed hitters to a .216 (8-for-37) average against.