Of course every drafted player you hope will get better, the NFL is at the very least different than college football, how many players have remarked how much faster the pro game is? Takes a bit of adjusting for probably 95% of new players.
But there's a huge difference between hoping (actually it's expecting, not hoping) a player will get better vs. a first round player who seems hopelessly overmatched most of the time. Despite the Packers running up the middle against Dallas all day, Mazi got FOUR snaps. Four!
For a first round pick, that's abysmal.