All QBs drafted in the first round from 2009 to 2016 were released from the team that drafted them. I'm not going through the list for you. There are two of them that we should all be extremely familiar with in Baker Mayfield and Sam Darnold, however. "Short leash" has a double meaning here. One, not enough time, and/or two, unrealistic expectations of just how much they should be carrying the team. Baker had 4 years in Cleveland, for example, but three of those were very solid seasons. For whatever reason, the fact that he wasn't a world beater meant he should be discarded.