I'm betting on Maclin.
First, just sheer talent.
And then, watching the Cowboys offense it looks like Witten is the No. 1 target, then the RB's, then the WR's.
Then, we're talking the big game for Austin came against the Chiefs, including one huge play in OT.
Admittedly Maclin's came against the Bucs in a blowout, but the offensive potential is there. The Eagles drafted No. 1, I think they're gunning for him in an offense that was already clicking and now he's being worked in. I just don't see how the Cowboys who haven't produced for the WR's all season (except week 1 vs the Bucs) suddenly turn it into a WR driven offense.