sentences:  Pierce went 5-1 as a starter as he led the CFL in completion percentage (73.7%) and had the second highest quarterback rating (109.0).. At the conclusion of the season, Pierce shared in the Lions championship, playing for a few snaps in the 94th Grey Cup.In 2007, then-starter Dave Dickenson suffered yet another concussion, in week 3, and Pierce stepped up to assume the role of starting quarterback.By mid-August, Pierce was hobbled by injuries to his ribs, toe, hand, and shoulder, but he persevered in the starting role until finally relinquishing the role to third-stringer Jarious Jackson, who performed well himself.