The Cubs will keep recently acquired infield prospect Mike Olt at Triple-A Iowa until he regains his swing, according to MLB Network. Olt, who was acquired in the Matt Garza trade Monday, hit .213 in 65 games for Triple-A Round Rock.
Olt, who was battling vision problems earlier this season, hit .288 with 28 home runs and 82 RBI in 95 games for Double-A Frisco in 2012.