Lewis McGrillen losses
Over 4 years as a professional, Lewis McGrillen has compiled a 12-1 (11) record, fighting across two weight classes. His only loss came against Weslley Maia.
1. Lewis McGrillen loses to Weslley Maia via unanimous decision
On December 8, 2023 Lewis McGrillen faced Weslley Maia in a bantamweight bout. McGrillen was 23 years old with a record of 8-0, and Maia was 0 with a record of 0-0. McGrillen was on an undefeated 8-fight winning streak. McGrillen lost via unanimous decision.