He was far more efficient in wins over New Orleans on 12/03/00 (11 completions in 16 attempts for 201 yards, 1 touchdown and 0 interceptions) and in the regular season finale vs San Francisco on 12/23/00 (18 completions in 29 attempts for 205 yards, 1 touchdown and 0 interceptions). At one stretch Denver scored at least 38 points in three consecutive games with Frerotte starting at quarterback (11/19/00 vs San Diego, 11/25/00 vs Seattle, 12/03/00 vs New Orleans). (Full season statistics courtesy of Pro Football Reference.com and individual game statistics courtesy of NFL.com)  He joined the Cincinnati Bengals in 2002, winning the starting job before losing the position after three games to Jon Kitna under the soon-to-be-fired coach Dick LeBeau. His most notable play with the Bengals came against the Cleveland Browns on September 15: Frerotte, attempting to avoid a sack by Orpheus Roye, threw the ball with his left hand (Frerrotte is right-handed) and was intercepted by Browns defensive lineman and former teammate with the Washington Redskins, Kenard Lang, who returned the ball 71 yards to the Bengals 8-yard line. In 2003 and 2004, Frerotte backed up Daunte Culpepper for the Minnesota Vikings, and served as the team's holder on field goals. He won both games as a temporary starter for the team in 2003. Frerotte earned the Miami Dolphins starting job in 2005. He started 15 games, guiding the Dolphins to a 9–6 record, throwing for 18 touchdowns and 13 interceptions, completing 52% of his passes and finished the season with a 71.9 quarterback rating. After, he joined the St. Louis Rams as back-up to Marc Bulger. Louis cut Frerotte after two seasons with the team on February 28, 2008. On April 1, 2008, he returned to the Vikings, signing a two-year, 3.75 million dollar deal. He was Tarvaris Jackson's backup for the first two games of the year. On September 17, 2008, he was named the starter for the rest of the 2008 season by head coach Brad Childress. Frerotte led the Vikings to an 8–3 record before suffering a back injury, which reinstated Jackson as the starter. On November 30, 2008, Frerotte tied the NFL record for the longest pass from scrimmage by throwing a 99-yard touchdown pass to Bernard Berrian against the Chicago Bears.