yes
Defense back Roy L. Williams played for the Cowboys from 2002-2008. Wide receiver Roy E. Williams came to the Cowboys in a 2008 trade and will begin his fourth season with the team in 2011.
This varies from person to person, but i'm going to say the trade of herschel walker from the dallas cowboys to the minnesota vikings for a multiple of players and draft picks. This trade led to the dallas cowboys being the team of the 90s
Alvin Harper has: Played Himself - Dallas Cowboys Wide Receiver in "NFL Monday Night Football" in 1970. Played Himself - 12th Overall Pick in "1991 NFL Draft" in 1991. Played Himself - Dallas Cowboys Wide Receiver in "1992 NFC Championship Game" in 1993. Played Himself - Dallas Cowboys Wide Receiver in "Super Bowl XXVII" in 1993. Played Himself - Dallas Cowboys Wide Receiver in "Super Bowl XXVIII" in 1994. Played Himself - Dallas Cowboys Wide Receiver in "NFL on FOX" in 1994. Played Himself - Dallas Cowboys Wide Receiver in "1993 NFC Championship Game" in 1994. Played Himself - Dallas Cowboys Wide Receiver in "1994 NFC Championship Game" in 1995.
The Cowboys didn't trade anyone for T.O. They signed him after the Eagles released him in 2006.
An Oklahoma State product, Dez Bryant is a wide receiver and sometime punt returner for the Dallas Cowboys.
Sanders, who primarily was a cornerback and punt returner for the Dallas Cowboys from 1995 to 1999, occasionally appeared as a wide receiver for the team.
Keyshawn Johnson
Terrell Owens
If you are referring to wide receiver Roy E. Williams, the Cowboys released him on July 28, 2011. A day later, he signed with the Chicago Bears, who also picked up running back Marion Barber III, his teammate at Dallas.
Kelvin Martin has: Played Himself - Dallas Cowboys Wide Receiver in "The NFL on CBS" in 1956. Played Himself - Philadelphia Eagles Wide Receiver in "NFL Monday Night Football" in 1970. Played Himself - Dallas Cowboys Wide Receiver in "NFL Monday Night Football" in 1970. Played Himself - Dallas Cowboys Wide Rceeiver in "1992 NFC Championship Game" in 1993. Played Himself - Dallas Cowboys Wide Receiver in "Super Bowl XXVII" in 1993. Played Himself - Dallas Cowboys Wide Receiver in "NFL on FOX" in 1994.
Antonio Bryant, a wide receiver from Pittsburgh, wore No. 88 for the Dallas Cowboys from 2002 to 2003. He was drafted by the Cowboys in the second round of the 2002 NFL Draft.
Drew pearson.. A guess