Which college did the safety most associated with a banned in 2005 NFL technique attend?
University of Oklahoma
Roy Williams (safety)
Roy Lee Williams (born August 14, 1980), is a former American college and professional football player who was a safety in the National Football League (NFL) for nine seasons.
 He played college football for the University of Oklahoma, and was recognized as a unanimous All-American.
 He was drafted by the Dallas Cowboys eighth overall in the 2002 NFL Draft, and played professionally for the Cowboys and Cincinnati Bengals.
 He earned five straight Pro Bowl selections from 2003 to 2007.
 Williams is currently a sideline reporter for Oklahoma football games.
Horse-collar tackle
The horse-collar tackle is an American football maneuver in which a defender tackles another player by grabbing the back collar or the back-inside of an opponent's shoulder pads and pulling the ball carrier directly downward in order to pull his feet from underneath him.
 The technique is most closely associated with Pro Bowl safety Roy Williams.
 This kind of tackle was banned from the NFL during the 2005 off-season.
 The rule forbidding it is often referred to in the press as "The Roy Williams Rule".
 The rule, with modifications, was adopted in college football in 2008 and high school football in 2009.
Nick Collins
Nicholas Malte Collins (born August 16, 1983) is a former American football safety who played seven seasons for the Green Bay Packers of the National Football League (NFL).
 In Super Bowl XLV, he intercepted Ben Roethlisberger for a touchdown as the Packers beat the Pittsburgh Steelers, 31-25.
 He played college football at Bethune-Cookman, and was drafted by the Packers in the second round of the 2005 NFL Draft. Vincent Fuller (American football)
Vincent Fuller II (born August 3, 1982 in Baltimore, Maryland) is a former American football safety that played in the National Football League (NFL).
 He was drafted by the Tennessee Titans in the fourth round of the 2005 NFL Draft.
 He played college football at Virginia Tech. Josh Bullocks
Josh Bullocks (born February 28, 1983) is an American football safety.
 He was drafted by the New Orleans Saints in the second round of the 2005 NFL Draft.
 He is the identical twin of fellow NFL safety Daniel Bullocks. Antrel Rolle
Antrel Rocelious Rolle (born December 16, 1982) is a former American football safety of the National Football League (NFL).
 He played college football at the University of Miami, where he was recognized as a unanimous All-American, and was drafted by the Arizona Cardinals eighth overall in the 2005 NFL Draft.
 Rolle also played for the Chicago Bears and New York Giants, winning Super Bowl XLVI with New York in 2011. Chris Harris (safety)
Chris Harris (born August 6, 1982) is an American football coach and former safety in the National Football League (NFL).
 He was drafted by the Chicago Bears in the sixth round of the 2005 NFL Draft.
 Harris, nicknamed "Hitman", played college football for the University of Louisiana at Monroe. Mike Hawkins (cornerback)
Michael Hawkins (born July 15, 1983 in Dallas, Texas) is a former American football cornerback.
 He was signed by the Dallas Desperados in 2004 and drafted by the Green Bay Packers in the fifth round of the 2005 NFL Draft.
 He played college football at Oklahoma.
 After a few Arena Football League seasons, he was selected by the Green Bay Packers with the 167th overall selection in the 2005 NFL Draft.
 He was picked up by the Minnesota Vikings off of waivers in 2006. Oshiomogho Atogwe
Oshiomogho Isaac "O.J." Atogwe (born June 23, 1981) is a former Canadian-born American football free safety in the National Football League (NFL).
 He was drafted by the St. Louis Rams in the third round of the 2005 NFL Draft.
 He played college football at Stanford.
 Atogwe has also played for the Washington Redskins.
 Currently he is working for TSN as a pro football analyst. Kerry Rhodes
Kerry Rhodes (born August 2, 1982) is an American actor and former American football safety in the National Football League.
 He was drafted by the New York Jets in the fourth round of the 2005 NFL Draft, and most recently played for the Arizona Cardinals in 2012.
 Rhodes was named to All-Pro teams by three publications after the 2006 NFL season.
 He played college football at Louisville.