The Cedar Rapids Kernels and Minnesota Twins announced Tuesday that pitcher Zack Tillery has been placed on the 7-day Disabled List, retroactive to July 12, with a left calf strain and pitcher Brandon Bixler has been released from the team.

Tillery has made 18 appearances (nine starts) for the Kernels, posting a 5-4 record, 2.67 ERA and one save.

Bixler was activated off the DL on June 24 and made six relief appearances for the Kernels, posting a 1-1 record and 6.30 ERA.

The Twins did not announce any corresponding moves. The Kernels roster is at 23 active players, two below the Midwest League maximum of 25.

The Kernels return to Perfect Game Field at 6:35 p.m. Wednesday at Veterans Memorial Stadium to host the Burlington Bees.