Casey Austin "Case" Keenum (born February 17, 1988) is an American football quarterback for the Denver Broncos of the National Football League (NFL). He played college football for Houston, where he became the NCAA's all-time leader in total passing yards, touchdowns, and completions. In the 2008 college football season, Keenum ranked first nationally in total offense and second in total passing yards. During the 2011 season, Keenum became the Football Bowl Subdivision's all-time leader in total offense, as well as the all-time leader in total touchdown passes by an FBS quarterback. As a result of his on-field contributions to Houston's success, Keenum was named to several All-American lists. He is the only quarterback in Division I FBS football history to have passed for more than 5,000 yards in each of three seasons.
After being signed by the Houston Texans as an undrafted free agent in 2012, Keenum threw for 1,760 yards and 9 touchdowns in the eight games he started for the Texans, before being waived prior to the 2014 season. Keenum was then signed to the St. Louis Rams' practice squad. He re-signed with the Texans later in 2014. In 2015, the Rams traded a draft pick to the Texans for Keenum, where he played until signing as a free agent with the Minnesota Vikings in 2017. After starter Sam Bradford got injured, Keenum came in and had a career year, setting highs in starts, passing yards, completions and touchdowns. He led the Vikings to a 13-win regular season, followed by a last-second win over the New Orleans Saints in the divisional round of the playoffs; the Vikings lost in the next round to the eventual Super Bowl champion Philadelphia Eagles. Keenum once again became a free agent, and signed a two-year deal with the Broncos in March 2018.