Plus they are cheap.
Undrafted players crucial to rookie classesThe Rest of the Article @ ESPN
by Tim Graham
The AFC East is loaded with great examples.
Seven undrafted players started at least four games for division-champion New England last year: receiver Wes Welker, guards Stephen Neal and Dan Connolly, defensive lineman Mike Wright, inside linebacker Gary Guyton, outside linebacker Pierre Woods and safety Brandon McGowan.
The Dolphins relied on fullback Lousaka Polite, receivers Davone Bess and Greg Camarillo, tight end Joey Haynos and outside linebacker Cameron Wake, none of whom were drafted.
Bills running back Fred Jackson wasn't drafted, but he rushed for over 1,000 yards last year. Strong safety George Wilson evolved into a reliable starter.
The Jets fielded their share of draft-day oversights, including fullback Tony Richardson, right guard Brandon Moore, inside linebacker Bart Scott and safety Jim Leonhard.
That's a lot of quality players who weren't good enough to see their name crawl across the bottom of ESPN's draft telecast.