That's a fight right there. If Pettis doesn't kill his gas with the weight cut and Aldo does what he does, gas past the 3rd. I could see Pettis taking him out. Aldo's slowing down in the later rounds will catch up to him sooner or later.
"I AM THE PUNISHMENT OF GOD, IF YOU HAVE NOT COMMITTED GREAT SINS GOD WOULD NOT HAVE SENT A PUNISHMENT LIKE ME UPON YOU."
~ Genghis Khan