Tech had made him a front-runner, the team's two subsequent losses to unranked teams dropped him from contention for the Heisman. Excellent performances in a division-clinching win at Clemson and against Miami seemed to return Ryan to Heisman-candidate form, however, and heading into the ACC Championship Game, Ryan appeared to be the biggest offensive threat for Boston College. Virginia Tech's offense was led by an unusual two-quarterback system, as junior Sean Glennon shared time with freshman Tyrod Taylor. While Glennon proved to be a better pocket passer, Taylor's quickness enabled him to scramble out of trouble and gain positive yardage even when no open receivers were available for passes. Until the final game of the season, either Taylor or Glennon was hampered by injury and limited the two-quarterback system's effectiveness. Although the two-quarterback system proved effective against Virginia, there were still questions about how well such an unusual setup would work in the ACC Championship Game. On the ground, Taylor's offensive scrambling, while effective, was not Virginia Tech's primary rushing weapon. Running back Brandon Ore, Virginia Tech's starter at the position, would need to have a good game, analysts predicted, if the Hokies wanted to win the game. Ore, who suffered several injuries during the 2006 season, failed to produce meaningful offensive yardage until late in the season, disappointing many fans who hoped he would repeat his excellent 2006 performance on the field. With a 146-yard performance against Virginia in the final game of the regular season, Ore seemed to have regained his 2006 form and promised success in the ACC Championship Game. The Boston College ground offense was led by running back Andre Callender, who had perhaps his biggest game of the year during the division-clinching match against Clemson two weeks earlier. In that game, Callender finished with 92 receiving yards and 75 rushing yards. Due to the success of Matt Ryan's passing attack, however, Callender was used mostly as a backfield receiver and was the team's leading receiver statistically during the 2007 season. In the regular season, Callender amassed 905 yards rushing, 613 yards receiving, and 13 total touchdowns. Callender's normal backup, running back A.J. Brooks, was suspended for the ACC Championship Game. Defensive matchups Virginia Tech's defense was considered stronger than that of Boston College. For the ACC Championship Game, Virginia Tech returned senior linebacker Vince Hall to the starting lineup. Hall had sat out four straight