I've been thinking about the pass rush issue, and I'm wondering if perhaps Dean Lowry is a sleeper to step up and provide a bigger contribution. Fackrell, Elliott, and Biegel are the names that get mentioned most often because of their position, but Lowry is essentially an EDGE as well. He will likely spend the majority of his time somewhere from the 5 to the 7 as a down end in sub package.
Lowry has been an underrated athlete going all the way back to his pre-draft process. The size speed dynamic is comparable to JJ Watt (he certainly is not Watt, but there is some athletic overlap). His jumps and agility drills were all in the average range, but when size adjusted, they were all quality marks.
I think perhaps because fan bases still tend to think in terms of base defense, it's easy to think of Lowry as a 34DE and thereby overlook what he may bring as a pass rusher. In reality, he's a good athlete who flashed as a rookie and should spend quite a bit of time in 2017 as an elephant edge, while also siding inside at times.