It's been long enough since Rory MacDonald fought Mike Pyle that I kind of had to recheck the books (Wikipedia) and make sure that fight actually happened and that the UFC isn't just releasing sim fight footage from EA Sports. But yes, back in 2011, a 22-year-old Rory Mac (then "the Waterboy") fought for the 4th time in the UFC. MacDonald had already racked up wins over Mike Guymon and Nate Diaz (sandwiching his famous loss to Carlos Condit).
The event was UFC 133, headlined by Rashad Evans putting a hellacious beating on Tito Ortiz, with Vitor Belfort vs.