A quick position by position breakdown:
QB: Wilson over Hill. Hill hasn't proven anything yet. This may change in two years, but right now, Wilson is better. Last year, Hill had 59% completion, 4 TD's, 2 INT's against AWFUL competition. Wilson had 62.7% completion, 7 TD's and 6 INT's against much better competition.
HB: York over Williams. Their stats are similar. York had better competition, and is a bigger back.
FB: none, I'm going with 3 WR's.
WR's: Anderson (36 rec, 10.1 avg, 3 TD's), Scott (32 rec, 11.3 avg, 3 TD's), Hoffman (If you take out Idaho and New Mexico State, 68 rec, 84 avg, 3 TD's)
TE: Murphy
OL: Who cares? I do know that both of Utah tackles project as NFL guys, and Utah actually develops their linemen into NFL caliber players, while BYU's OL regress, so at least the tackle spots are won by Utah.
DE: Orchard and Reilly are much better than anything BYU has. I think someone said that Kaufusi is better than any of Utah's ends...they are crazy. It's not even close here. Utah's ends are heads and shoulders better than BYU's.
DT: Palepoi (when Kyle says you are a top DT in the PAC-12, you are. Kyle just turns out NFL DT's.) Manumaleuna is a nice player, but I would put him on equal footing with Utah's other DT's. So we will say push for the second T spot.
LB: KVN...who knows after that. Utah doesn't spend enough time at this position, and BYU doesn't look to have another NFL LB'er on their squad.
DB: McGill, Rowe, Orphey, Carter, Smith, Blechen, Thomas are all better than anyone on BYU's roster. Sorenson is nice, but I'd take Blecken, Rowe or Carter over Sorenson.
So, if you combined the two teams, I would have two BYU players that are clearly better than Utah players: KVN and maybe Hoffman. BUT, I'd still have Hoffman as my third receiver. The dude just disappears in big games. Hoffman is awesome...until you get into the red zone, then he disappears. That is not ok for a guy as big as he is. He should dominate in the red zone. His TD numbers aren't anywhere good enough for someone that is supposedly a first round pick (BYU fan dreaming again).