Question: Which American football quarterback, who is currently a free agent, was drafted by the Minnesota Vikings and was favored over McNabb after he was benched for his 1-5 record as a starter?

Context paragraphs:
Brad Johnson (American football): James Bradley "Brad" Johnson (born September 13, 1968) is a former American football quarterback.  Johnson grew up in Black Mountain, North Carolina.  At Florida State University, Johnson originally played college basketball before switching to football in his third year.  The Minnesota Vikings drafted Johnson in the ninth round of the 1992 NFL Draft.  He spent seven seasons with the Vikings and two seasons with the Washington Redskins before becoming the starting quarterback of the Tampa Bay Buccaneers in 2001.  He led the Buccaneers to the Super Bowl XXXVII title.  He played for the Buccaneers for four seasons from 2001 to 2004, the Minnesota Vikings for two more seasons from 2005 to 2006, and the Dallas Cowboys where he played in 2007.

Shaun Hill: Shaun Christopher Hill (born January 9, 1980) is an American football quarterback who is currently a free agent.  He was signed by the Minnesota Vikings as an undrafted free agent in 2002.  He played college football at Maryland.  Hill has also played for the Amsterdam Admirals, San Francisco 49ers, Detroit Lions, and St. Louis Rams.

Donovan McNabb: Donovan Jamal McNabb (born November 25, 1976) is a former American football quarterback who played in the National Football League (NFL) for thirteen seasons, primarily with the Philadelphia Eagles.  Before his NFL career, he played football and basketball for Syracuse University.  The Eagles selected him with the second overall pick in the 1999 NFL Draft, and McNabb went on to play 11 seasons with the team, followed by a year with the Washington Redskins and Minnesota Vikings, respectively.

Mitch Leidner: Mitchell Leidner (born January 17, 1994) is an American football quarterback who is currently a free agent.  He played college football at Minnesota, and was signed by the Minnesota Vikings as an undrafted free agent.

Tre Roberson: Trerien "Tre" E. Roberson (born October 22, 1992) is an American football cornerback who is currently a free agent.  He was signed by the Minnesota Vikings as an undrafted free agent following the 2016 NFL Draft.  Prior to entering the NFL, Roberson was a collegiate quarterback at Indiana University and Illinois State University.  Roberson had a 3–4 win/loss ratio for his career as the starting quarterback at Indiana and a 23–5 ratio for Illinois State.

Josh Freeman: Joshua Tyler Freeman (born January 13, 1988) is an American football quarterback who is currently a free agent.  He played college football at Kansas State University, and was drafted by the Tampa Bay Buccaneers in the first round of the 2009 NFL Draft.  Freeman also been a member of the Minnesota Vikings, New York Giants, Miami Dolphins and Indianapolis Colts, as well as the Brooklyn Bolts of the Fall Experimental Football League (FXFL).

Tom Johnson (gridiron football): Tom Johnson (born August 30, 1984) is an American football defensive tackle for the Minnesota Vikings of the National Football League (NFL).  He attended Moss Point High School, where he played as a defensive tackle for two seasons.  He played college football at Southern Miss but before that he played for two seasons of junior college football at Mississippi Gulf Coast Community College (MGCCC) in Perkinston, MS.  Following his college career, Johnson went undrafted in the 2005 NFL Draft.  He was signed by the Indianapolis Colts as an undrafted free agent.  He spent the 2007 season with the Cologne Centurions of the NFL Europe and came back with the Colts for training camp in 2008.  After being released, he turned to the Arena Football League (AFL), where he played the 2008 season with the Grand Rapids Rampage and the Philadelphia Soul.  Johnson then headed north to play in the Canadian Football League (CFL), where he played two seasons for the Calgary Stampeders and was named CFL West Division All-Star in 2010.  At the end of the 2010 CFL season, Johnson drew interest from several NFL teams, and decided to sign with the New Orleans Saints, where he played from 2011-13.  In 2014, he became a free agent and joined the Minnesota Vikings on a one-year deal, and after exceeding expectations in his first season, he was re-signed to a three-year deal in 2015.

Sammuel Lamur: Sammuel Lamur (born June 8, 1989) is an American football quarterback who is currently a free agent.  He was signed by the Tampa Bay Storm as an undrafted free agent in 2014 as a quarterback.  He played college football at Kansas State University.  He is the twin brother of Minnesota Vikings linebacker, Emmanuel Lamur.  He was signed by the Tampa Bay Buccaneers to play linebacker on August 6, 2015.  He was waived on August 11, 2015.

2011 Minnesota Vikings season: The 2011 Minnesota Vikings season was the franchise's 51st season in the National Football League, and the first full season under head coach Leslie Frazier, who served as the team's interim head coach for the final six games of the 2010 season.  It was also supposed to mark the first season with new starting quarterback Donovan McNabb, who had enjoyed great success with the Eagles but had a subpar year with the Redskins in 2010.  McNabb played respectably, having a passer rating of 82.9 and only turning the ball over twice, but his 1–5 record as starter led to him being benched in favor of rookie Christian Ponder in Week 6, and McNabb was later waived on December 1, 2011.  The team failed to improve on their 6–10 record from 2010, going 2–6 before their bye week, before being eliminated from playoff contention in week 12 with a 2–9 record.  The team also suffered its first six-game losing streak since the 1984 season.  Despite a poor year for the team, Jared Allen set a franchise record for most sacks in a season with 22.  The team led the league in sacks with 50, but also tied a team record for fewest interceptions caught in a season with only 8.

Christian Ponder: Christian Andrew Ponder (born February 25, 1988) is an American football quarterback who is currently a free agent.  He was drafted by the Minnesota Vikings with the 12th overall pick in the 2011 NFL Draft and started the majority of games for them from 2011 to 2013.  He played college football at Florida State University and was the Seminoles starting quarterback from 2008 to 2010.

Supporting paragraphs: 2011 Minnesota Vikings season Christian Ponder
Answer: Christian Ponder