Cubs minor-league infielder Mike Olt has been placed on the disabled list with a hamstring strain, MLB.com reports.
Olt hit .139/.222/.353 with 12 home runs and 30 RBI in 187 at-bats with the Cubs before being sent to the minors. He owns a .302/.348/.585 line with seven home runs and 24 RBI in 106 at-bats with Triple-A Iowa.