In fact, many undrafted free agents already received one in rookie . Rehkow was the fifth-ranked punter in college football last year, per PFF. Now that the NFL Draft is in the books, teams are scrambling to sign the best undrafted rookie free agents. Here is a list of players who. The hours and days after each NFL draft bring with them a flurry of activity, There's no guarantee that this year's UDFA crop contains such a player. They signed an undrafted free agent who could enter training camp as the favorite That opens the door for rookie Austin Rehkow, who averaged a robust.