Ian O'Neill 
Robert Whittaker and Kelvin Gastelum went to battle in the main event at the UFC APEX in Las Vegas on Saturday night. Check out all the highlights and official results below.
Robert Whittaker and Kelvin Gastelum stood toe-to-toe for the bulk of their five round main event. The former middleweight champion put on a dominating performance and won a one-sided decision. With the win, Whittaker may have set himself up for a rematch with rival Israel Adesanya for a chance to regain his middleweight crown.
Andrei Arlovski picked up yet another win inside the octagon 21 years after his UFC debut. The former heavyweight champion defeated Chase Sherman by unanimous decision.
Luis Pena took home a win over Alex Munoz. It what was a very close contest in the lightweight division, two out of the three judges scored it for Pena.
Gerald Meerschaert picked up a submission victory over Bartosz Fabińsk in the middleweight division.
Tony Gravely got himself a second round TKO stoppage over Anthony Birchak in the bantamweight division. Gravely picked up his first finish under the UFC banner when he landed a vicious left hook on Birchak.
Main Card (BT Sports 1/ESPN+, 10PM ET)
Middleweight: Robert Whittaker def. Kelvin Gastelum via unanimous decision (50-45 x3)Lightweight: Drakkar Klose vs. Jeremy Stephens – OFF
Heavyweight: Andrei Arlovski def. Chase Sherman via unanimous decision (29-28 x3)
Middleweight: Jacob Malkoun def. Abdul Razak Alhassan via unanimous decision (30-27 x3)
Women’s Flyweight: Tracy Cortez def. Justine Kish via split decision (29-28, 28-29, 30-27)
Lightweight: Luis Pena def. Alex Munoz via split decision (29-28, 28-29, 29-28)
Prelims Card (BT Sports 1/ESPN+, 7PM ET)
Heavyweight: Alexander Romanov def. Juan Espino via technical split decision (29-28, 28-29, 29-28)
Women’s Strawweight: Jessica Penne def. Loopy Godinez via split decision (29-28, 28-29, 29-28)
Middleweight: Gerald Meerschaert def. Bartosz Fabiński via submission (guillotine) at 2:00 of round 1
Lightweight: Austin Hubbard def. Dakota Bush via unanimous decision (29-28 x3)
Bantamweight: Tony Gravely def. Anthony Birchak via TKO (punches) at 1:31 of round two
