BOOM. Johnny Manziel has been in the top 5-8 of almost every single mock draft published on the Internet, but it wouldn't surprise me if he fell on Draft Day. It's happened to other quarterbacks before, and it could certainly happen to Manziel, as there are concerns about many things, including his party lifestyle, the manner in which he plays, his mechanics and his durability (size).
If we had heard this from one team, I might just consider it smoke, but multiple teams selecting early have issues with Manziel. Vikings' head coach Mike Zimmer also expressed his concerns with Manziel, so that's another team in the top 10 that won't pick him.
This is why I could see Manziel take a tumble into the 20s (it's no coincidence that the Patriots brought him in for a visit). If that occurs, perhaps the Browns will scoop him up at No. 26, or maybe one of the teams in the early portion of Round 2 will trade up for him.