Question: Where did the Washington Redskins quarterback who suffered a concussion during the second preseason game of the 2015 season play college football?

Context articles: Robert Griffin III
Sage Rosenfels
Ed Rubbert
Ahmad Miller
Doug Swift
Alec Gibson
George Thomas (American football)
2015 Washington Redskins season
Tyler Fredrickson
Tom Carter (American football)

Robert Lee Griffin III (born February 12, 1990), nicknamed RG3 or RGIII, is an American football quarterback who is currently a free agent.
 He played college football at Baylor, where he won the 2011 Heisman Trophy.
 He was drafted by the Washington Redskins second overall in the first round of the 2012 NFL Draft.
Sage Jamen Rosenfels (born March 6, 1978) is a former American football quarterback.
 He played college football at Iowa State before he was drafted by the Washington Redskins in the fourth round of the 2001 NFL Draft.
 He played with the Miami Dolphins from 2002–2005, the Houston Texans from 2006–2008, the Vikings in 2009, and the New York Giants in 2010.
 He spent portions of the 2011 season with the Vikings and Dolphins, after being released by the Giants during preseason.
 Through 2010, he had completed 351-of-562 passes for 4,156 yards, 30 touchdowns, and 29 interceptions, and had a career 81.2 quarterback rating.
Edward "Ed" Rubbert (born May 28, 1964) is a former American football quarterback in the National Football League for the Washington Redskins as a member of the Redskins' replacement team during the 1987 NFL players' strike.
 Rubbert played college football for the University of Louisville.
 He completed the longest pass from scrimmage in the 1987 NFL season, an 88-yard touchdown to Anthony Allen on October 4, and led the Redskins to two consecutive wins on their way to a Super Bowl XXII championship.
 Rubbert also started a third game only to be injured; the Redskins eventually won that game behind backup replacement quarterback Tony Robinson, and the following week the Redskins' regular players returned to the field following the end of the strike.
 Rubbert is now a coach for Lower Cape May Regional High School
Ahmad Rasheed Miller (born April 10, 1978) is a former American football defensive tackle.
 He was chosen with the final pick in the 2002 NFL Draft, giving him the nickname Mr. Irrelevant.
 After being drafted by the Houston Texans, he went through training camp but was cut prior to their final preseason game.
 He then signed on to the New York Giants.
 Injured in second preseason game against Carolina Panthers.
 Injury settlement with team.
Douglas A. Swift (born October 24, 1948) is a former American football linebacker who played six seasons in the National Football League for the Miami Dolphins.
 Swift moved into the starting lineup as a rookie and held the strongside linebacker position for the next six seasons, including the Dolphins' Super Bowl victories following the 1972 and 1973 seasons.
 Swift's blitz late in the second quarter of Super Bowl VII forced Washington Redskins quarterback Billy Kilmer to make a hurried throw, which Nick Buoniconti intercepted and returned into Washington territory to set up the Dolphins' second touchdown in a 14-7 victory, cementing Miami's 17-0 season.
 Made available in the 1976 NFL Expansion Draft, he chose to retire from football and enter medical school rather than report to the expansion Tampa Bay Buccaneers.
Alec Raymond Gibson (born December 9, 1963 in Columbus, Ohio) is a former American football defensive end in the National Football League for the Washington Redskins.
 Gibson played in three games for the Washington Redskins in 1987.
 The Washington Redskins went 3-0 during the strike.
 Defeating the St. Louis Cardinals, New York Giants, and Dallas Cowboys.
 Gibson caused Hall of Famer Tony Dorsett to fumble the football twice on Monday Night Football in Dallas the last replacement game played in 1987.
 He played college football at Ventura Junior College where he was an All-American defensive tackle and at the University of Illinois as a defensive end.
 In 1988, he played Arena football for the New York Knights.
 Gibson played 11 of 12 games before injuring his right knee (ACL) which put an end to his career.
George Carroll Thomas, Jr. (March 4, 1928 – May 23, 1989) was an American football halfback and defensive back in the National Football League for the Washington Redskins and the New York Giants.
 He was a standout high school basketball player, which led to his being recruited to play college basketball for Tulane University.
 However, first year OU football coach, Jim Tatum, convinced him stay in Oklahoma and play college football at the University of Oklahoma.
 Thomas was a standout for the Sooners, lettering in '46, '47,'48 and '49.
 He earned All-American status in 1949 List of Oklahoma Sooners football All-Americans.
 Thomas graduated from OU with a degree in Business Administration in 1950.
The Washington Redskins season was the franchise's 83rd season in the National Football League and the second under head coach Jay Gruden and first under general manager Scot McCloughan.
 Quarterback Robert Griffin III suffered a concussion during the second preseason game and consequently missed the rest of the preseason.
 Kirk Cousins was later named the starter for the season, and set multiple Redskins franchise records.
Tyler Fredrickson (born February 26, 1981) is a former American football placekicker, and TV personality.
 He played in the NFL for the Washington Redskins and Oakland Raiders in 3 preseason games during the 2007 season but was cut on September 2 before the start of the regular season.
 While with Oakland, he connected on a 49-yard field goal versus the Arizona Cardinals and handled all punting and placekicking duties during the team's final preseason game against the Seattle Seahawks (avg.
 49 yds on 5 punts).
Thomas Carter, III (born September 5, 1972) is a former American football cornerback who played in the National Football League from 1993 to 2001.
 The 17th overall draft pick in the 1993 NFL Draft played nine seasons for the Washington Redskins, Chicago Bears, and Cincinnati Bengals.
 Carter played quarterback at Lakewood High School in St. Petersburg, Florida and accepted a scholarship to play college football at the University of Notre Dame where he was a three-year starter at the free safety position.
 He currently works for the NFL Players Association.
 He also has four children Alex, Madison, Cameron, and Peyton.
 Cameron died of Type 1 diabetes at age 14 on February 21, 2012.