Great Starts: Four CFL graduates high on list of best undrafted rookie debut seasons (Shutdown Corner)

We all know about the great stories of undrafted NFL players who go on to Hall of Fame careers -- from Kurt Warner to John Randle and on and on, there are more than enough guys who evaded the draft to let know that the player selection process is, at its heart, a bit of a crapshoot. However, the most obvious players aren't always the ones who came in and impressed right away. Here, per Pro Football Reference's Approximate Value metric ( explained here ), are the 10 players who managed to get things going right away despite their undrafted status. Yes, four of these players had headstarts in the Canadian Football League, but we're counting them anyway. They still had steep learning curves to master once they hit the NFL. 1. Dominic