The Cedar Rapids Kernels and Minnesota Twins announced Tuesday that left-handed pitcher Brett Lee has been placed on the 7-day disabled list with a left flexor mass strain, retroactive to July 27. Also, catcher Jairo Rodriguez has been assigned to the Kernels from Rochester of the International League, and left-handed pitcher Brandon Bixler has been assigned to the Kernels from Elizabethton of the Appalachian League. Brad Steil, Director of Minor League Operations for the Twins, announced the moves.

Lee has appeared in 18 games (16 starts) for the Kernels this season, posting a 7-4 record and 3.23 ERA. In 100.1 IP, he allowed 106 hits and 47 runs (36 earned) with 23 walks and 78 strikeouts. He was selected by the Twins in the 10th round of the 2011 First Year Player Draft out of St. Petersburg (Fla.) College.

The Twins selected Bixler in the 16th round of the 2013 First Year Player Draft out of Florida Gulf Coast and he has appeared in six games at Elizabethton with a 1-1 record and 0.73 ERA. In 12.1 IP, he allowed six hits and two runs (one earned) with four walks and 18 strikeouts.

Rodriguez played in 15 games for the Kernels, batting .149 (7-for-47) with four RBIS. He was signed by the Twins as a non-drafted free agent in 2007 and spent the 2012 season with Beloit.

Bixler and Rodriguez will be activated in time Tuesday night's game at Burlington.