UFC 300 results, highlights: Kayla Harrison makes emphatic debut with submission of Holly Holm Kayla Harrison chokes out Holly Holm to win debut at UFC 300 #UFC300 #kaylaharrison #hollyholm ?? Pick Up a T-Shirt Here www.lefthookshop.com Click here to Subscribe to our YouTube channel http://bit.ly/2quZwsz Follow My Twitter https://twitter.com/Keanutalksmma Click here to like our Facebook page https://bit.ly/2ZmykdU Watch our most recent video! Kayla Harrison's UFC debut at UFC 300 was nothing short of spectacular as she dominated Holly Holm, a former champion and combat sports icon, securing a rear-naked choke submission victory just 1 minute and 47 seconds into the second round. Harrison, a two-time Olympic judo champion, showcased her dominance from the outset. Despite this being her first foray into bantamweight in MMA, she swiftly took control in the first round, delivering punishing ground-and-pound strikes, including elbows that had not been at her disposal in her previ