49ers’ Celek, Jerod-Eddie offer advice to undrafted rookies facing longer odds

The message to the NFL’s undrafted rookies this summer: good luck. They will be trying to make 53-man rosters without having offseason practice or preseason games to prove themselves. Two former 49ers who went undrafted, tight end Garrett Celek and defensive lineman Tony Jerod-Eddie, offered advice to this season’s long shots.