MMAStock

MMAStock · Fighter

Jack Losowicki

“Dr. SweetHeat” · Middleweight · United States

Stock Rating 62 · Regional tier · placed by our model, an estimate

Pro record 0-1

Fights on file

DateResultOpponentMethodEvent
17 May 2026LossPedro RubimTKO (Punches), R1Fury FC 119: Calderon vs. Jackson

MMAStock gives every MMA fighter a Stock Rating, and every card moves it. See every fighter.