UFC reaction wwe Undertaker Brock Lesnar Following 121 wrestling mma cain velasquez Ariel Helwani Wrestlers-Post-Fight- Undertaker - mark calaway and broak stare - Speak on Brock Lesnar's Loss In a very rare public interview, WWE star The Undertaker was interviewed by Ariel Helwani for MMAFighting.com following tonight's UFC 121 PPV where Brock Lesnar was defeated by Cain Velasquez for the UFC Championship. During the interview, which can be seen below, The Undertaker seems to call out Brock Lesnar and alludes to personal issues the two might have.