Mark Trumbo was placed on the DL on April 16 with a contusion on his left forearm after being hit by a pitch back on April 14. In six games, Trumbo is batting .143 with 4 RBI.
Brett Martinez joined the Kernels on April 18 from extended spring training and was batting .182 with 6 RBI in three games for the Kernels.
The move keeps the Kernels roster at 25 active players, which is the maximum allowed by the Midwest League.