Case Keenum
Case Keenum is the QB on this list that I'm the most familiar with. Living in the Houston area I am well aware of all of the record-breaking numbers he put up at the University of Houston. The Houston Texans signed him as an undrafted free agent and for the first few years of his career he went back and forth between the Texans and St. Louis/Los Angeles Rams as a backup QB.
Keenum doesn't pass the eye test or have all the physical tools to inspire any kind of excitement, but he's an overachiever. He's proven he can handle the backup duties and win games as a spot-starter in the NFL.
Last season, as a member of the Los Angeles Rams, he started nine of 10 games and passed for 2,201 yards, 11 interceptions, and nine touchdowns.
There's no denying that Keenum isn't starting QB material, but he took advantage of his opportunities until the Rams organization believed their rookie quarterback, Jared Goff was ready to take over.
Case Keenum is a quick decision maker with the ball in his hands and throws with accuracy. He is at his best when throwing short to intermediate routes, but he isn't afraid to air it out either. He would probably relish the chance to return to his home state and likely wouldn't cost a lot.
Which backup QB options should Dallas go after in free agency?
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