Former WWE Champion CM Punk fought Mike Jackson in a welterweight bout at the UFC 225 pay-per-view event on June 9, 2018, at the United Center in Chicago, Illinois.
As seen in the fight, Jackson dominated it and Punk showed a ton of heart but was winded after the first round. Jackson was able to pick up the unanimous decision win.
Punk previously lost to Mickey Gall in his promotional debut.
Despite the chances of him fighting again are low, Punk is still being tested by USADA, which oversees the UFC’s drug-testing policy.
Recently tested by USADA: CM Punk, Chris Holdsworth, Travis Browne, Mike Jackson
— Aaron Bronsteter (@aaronbronsteter) October 21, 2019