during a game against the salt lake bees on may 20, 2014, guerrero was involved in a dugout scuffle with albuquerque teammate miguel olivo in which olivo bit off a portion of guerrero's ear. he had to undergo a complicated plastic surgery operation to reattach the ear, necessitating several days in the hospital. in 65 games for the isotopes, he played 51 games at second base, 9 in left field, 4 at shortstop and 1 at third base. he hit .329 with 15 homers and 49 rbi. the dodgers recalled him when rosters expanded on september 1. he recorded his first major league hit with a single to left field off of erik cordier of the san francisco giants on september 13. he appeared in 13 games with the dodgers, primarily as a pinch hitter though he did play in left field for a few innings. he had just the one hit in 13 at-bats.