During the past couple seasons, figuring out which Cowboys players to start in fantasy leagues was simple. QB Tony Romo, RB Marion Barber, WR Terrell Owens and TE Jason Witten were in people's lineups every week, while no other Dallas skill player merited serious consideration (unless Barber was injured).

Well, that's been far from the case in 2009. Now, trying to determine which Cowboys you should start and which you should bench in a given week can be extremely difficult. Start with Romo, one of the most productive fantasy QBs in '07 and '08 but a guy who's been boom-or-bust this year. Both of his big games have come against terrible defenses, while he's struggled all three times he's faced a good pass "D." Will that trend continue all season? It might, but his huge potential makes him a tough player to sit. And the same goes for Witten, who's been very up-and-down but has as much upside as any TE around, making it hard to ever bench him.

Then there's the receiving corps. Obviously, T.O. is gone, replaced by Roy Williams as the team's No. 1 WR. But Williams has failed to even come close to matching Owens' production, registering just one TD on the season. Until he proves to be a consistent source of yardage and/or scoring, he's not someone you can trust in your lineup.

However, the new guy lining up opposite him is certainly an intriguing fantasy prospect. Fresh off his monster 10-250-2 performance at K.C., Miles Austin has been named a starter, and I'm guessing fantasy owners are afraid to leave him on their bench this week. After all, if the guy is capable of doing that in his first career start, who knows what lies ahead? Unlike Williams, Austin is a player who'll have to flop before you can feel comfortable not using him. Meanwhile, Patrick Crayton — the wideout Austin replaced in the starting lineup — is no longer a fantasy option.

Finally, the backfield might be the most confusing situation on this whole offense. Barber was running well before he hurt his quad and subsequently missed one game. Felix Jones was off to a torrid start himself before a knee injury brought him down. And Tashard Choice, the only one to stay healthy, has been stellar when called upon to fill in. Now that all three are healthy, which one(s) belong in your lineup? Well, Barber is probably the safest option, but the team said this week that it wants to keep Choice heavily involved, meaning the carries likely will be split. As for Jones, he's probably the only one you can feel safe benching, as he's just going to be a change of pace, for now.

All in all, the entire Dallas offense adds up to one big, confusing puzzle. Good luck trying to put the pieces together.