Check out this quick preview of the UFC Fight Night 251 co-main event between Calvin Kattar and Youssef Zalal.

After being unable to tap or choke out Kattar, Zalal accused the featherweight fan favorite of using Vaseline to make himself slippery in scrambles. During his UFC Vegas 102 post-fight press conference, Zalal accused Kattar of cheating when asked about his gameplan for the fight.

Four-straight UFC wins. A new personal best for newly-minted featherweight contender Youssef Zalal. The 28-year-old Zalal was as tactical as ever in his co-main event fight against Calvin Kattar. Kattar's been a top contender for a while now,

Main Event is finally here in the Featherweight Division! Check the UFC odds series for our Kattar-Zalal prediction and pick.

Calvin Kattar is a 4.80 underdog on Bet365 which has Youssef Zalal getting a submission win at 4.00 odds. Betway has under 2.5 at 2.31 and no to the fight going the distance at 2.50 odds. Kattar by knockout is 6.5 odds on 1xbet which has Zalal to get an unanimous decision at 1.72. Read more here.

Youssef Zalal claims Calvin Kattar felt like he had “vaseline all over his legs” during their UFC Vegas 102 co-main event.

After coming up short in his last three outings, Calvin Kattar returned to the Octagon on Saturday night for a scrap with streaking featherweight standout Youssef Zalal in the UFC Vegas 102 co-main event.