The Pat McAfee Show
John Cena is admitting he got work done to fix his glaring bald spot ... and it was all thanks to WWE fans incessantly picking on him over it.
Fresh off his historic win over Cody Rhodes at WrestleMania 41, the new 17-time champ discussed his recent hair transplant procedure during his time on the "Pat McAfee Show" on Monday ... saying he got it done in November -- and soon enough, he'll have flowing locks.
Of course, Cena's appearance drew a bunch of attention in recent months .