ARLINGTON, TX - NOVEMBER 26: Wide receiver Roy Williams #11 of the Dallas Cowboys celebrates a touchdown against the Oakland Raiders at Cowboys Stadium on...

Nov 22, 2009; Arlington, TX, USA; Dallas Cowboys wide receiver Roy Williams (11) cannot make the catch against the Washington Redskins at Cowboys Stadium. Dallas beat Washington 7...

Nov 22, 2009; Arlington, TX, USA; Dallas Cowboys wide receiver Roy Williams (11) cannot make the catch against the Washington Redskins at Cowboys Stadium. Dallas beat Washington 7...

North Carolina coach Roy Williams yells during the second half of North Carolina's NCAA college basketball game against Florida International...

ST. LOUIS - APRIL 04: Head coach Roy Williams, Sean May 342 and the North Carolina Tar Heels celebrate with the trophy after defeating the...

August 13, 2009; Oakland, CA, USA; Dallas Cowboys wide receiver Roy Williams (11) warms up before the game against the Oakland Raiders at Oakland-Alameda County Coliseum. The...

DETROIT - APRIL 06: Head coach Roy Williams of the North Carolina Tar Heels reacts in the first half against the Michigan State Spartans...

Dallas Cowboys' Roy Williams smiles a he talks with the media following the team's NFL football training camp in...

DENVER - OCTOBER 04: Champ Bailey #24 of the Denver Broncos breaks up a pass intended for Roy Williams #11 of the Dallas Cowboys during NFL action at Invesco Field at Mile High on October...

ARLINGTON, TX - NOVEMBER 01: Wide receiver Roy Williams #11 celebrates a touchdown with Patrick Crayton #84 and Miles Austin #18 of the Dallas Cowboys...

...the season. Ed Wolfstein/Icon SMI In this Sept. 15, 2008, file photo, Dallas Cowboys safety Roy Williams is shown before an NFL football game against the Philadelphia Eagles in Irving, Texas. The Cowboys...

Sept 13, 2009; Tampa, FL, USA; Dallas Cowboys wide receiver Roy Williams (11) signals for a first down after a catch during the Cowboys game against the Tampa...

Sept 13, 2009; Tampa, FL, USA; Dallas Cowboys wide receiver Roy Williams (11) signals for a first down after a catch during the Cowboys game against the Tampa...

August 13, 2009; Oakland, CA, USA; Dallas Cowboys wide receiver Roy Williams (11) watches from the sidelines during the game against the Oakland Raiders at Oakland-Alameda County...

ARLINGTON, TX - SEPTEMBER 28: Roy Williams #11 of the Dallas Cowboys signals first down after catching a pass against the Carolina Panthers...