The Cedar Rapids Kernels and Minnesota Twins announced Monday that catcher Brett Doe will join the Kernels from Extended Spring Training and that catcher J.J. Fernandez has been placed on the 7-day DL with a concussion.

Fernandez was injured during Sunday's game at Burlington.

The Twins selected Doe in the 38th round of the 2014 draft from Baylor University. Last season at Elizabethton he hit .207 with one home run and five RBIs in 23 games.

Fernandez has played in seven games for the Kernels this season, batting .293 with three doubles and four RBIs. He was selected by the Twins in the seventh round of the 2012 draft from Colegio Hector Urdaneta High School in Puerto Rico.

Doe is active and available for Monday's game at Burlington at 11:30 a.m.