Jennum could not continue in UFC 4 because of suffering from a broken jaw due to a punch thrown from Bowen from bottom position which stunned Jennum during the fight allowing Bowen to get up but quickly to be taken down by Jennum again upon regaining composure.
Jennum could not continue in UFC 4 due to recieving a broken jaw from a punch thrown by Bowen from bottom position when Jennum was on full mount. The punch momentarily knocked out Jennum allowing Bowen to get up only for him to be taken down quickly by Jennum again upon regaining composure.