Episode 6 of “The Ultimate Fighter 28: Heavy Hitters” opens with Team Whittaker’s Leah Letson heading in to the TUF Gym to start her fight preparation for Team Gastelum’s Bea Malecki . Letson explains how she was already signed to the UFC before this season of the reality series came around. She was scheduled to fight Yana Kunitskaya, but when Kunitskaya was pulled to challenge Cris Cyborg for the UFC women’s featherweight title at UFC 222 in March, that left Letson as the odd woman out and led to the spot on “TUF 28.” Throughout the season Letson has expressed some frustrations with the Team Whittaker coaching staff