Molly McCann was brutally honest with herself when explaining why she decided to retire after UFC Fight Night 255. McCann (14-8 MMA, 7-7 UFC) was submitted in Round 1 by short-notice replacement Alexia Thainara (12-1 MMA, 1-0 UFC) in Saturday’s main card at The O2 in London. The loss marked McCann’s fourth in her past