The two he was talking about were Fitzgerald and Jaron Brown. The rest of the group have dealt with injury or inconsistency during camp thus far. Arians also mentioned simple execution errors like assignments and catching the ball.
NE WR Aaron Dobson - Week 3, 2015 Fantasy Football Outlook
Week 5 vs Jacksonville
After seeing one target in Week 1, Aaron Dobson had eight targets in Week 2 on his way to a nice 7-87 line. The question with Dobson has never been one of talent, but of translating his talent to the field. This isn't his first decent game, and likely won't be his last. We're just not sure about consistency yet.
Coming off his strong performance, coupled with the lack of production from fellow WR Danny Amendola, we are projecting Dobson as the Patriots WR2 on the week. However, he should be on all benches until he at least strings a few nice games together.