Butera, as the backup catcher, was not really the problem. He had a .190 batting average in 21 at-bats.
Perez, 24, was batting .361 with two home runs and a .963 OPS at Salt Lake. Iannetta -- and not Perez -- was in the Angels' starting lineup Monday.
Perez has not appeared in the major leagues. The Angels acquired him and pitcher Nick Tropeano last November from the