During his career, Daniel was also a member of the New Orleans Saints, Kansas City Chiefs, Philadelphia Eagles, Chicago Bears, Detroit Lions, and Los Angeles Chargers.

[1] Daniel prepped under head coach Todd Dodge at Carroll High School in Southlake, Texas, which won the 5A Division II state title in 2004, 2005, and 2006.

[2][3] After playing his sophomore year at wide receiver, Daniel was a two-year starter at quarterback, leading his team to a 31–1 record.

[8] Daniel enjoyed an illustrious college career at the University of Missouri, passing for more than 12,000 yards and throwing for more than 100 touchdowns.

[9] Although he was not Missouri's most heralded NFL prospect, Daniel raised the football program's profile significantly as a three-year starter and arguably laid the groundwork for the Tigers' eventual move to the Southeastern Conference in 2012 by guiding the Tigers to within one win of a BCS National Championship berth in 2007.

[15] Daniel also set a school record for passing touchdowns in a game, racking up five scores in the season opener against Murray State.

[18] He led the Tigers to the cusp of a national championship appearance; in late November 2007, the program surged to #1 in the Associated Press poll for the first time since 1960.

[19] After the Tigers defeated arch rival Kansas, the edition of December 3, 2007, of Sports Illustrated featured Daniel on the cover, with the caption "Mizzou, That's Who.

"[20] Despite losing to the Oklahoma Sooners in the Big 12 Championship Game, the Tigers dominated Arkansas in the Cotton Bowl on New Year's Day.

[29] In the 2008 preseason, Daniel was named one of 26 candidates for the 2008 Unitas Award, given to the nation's best senior college football quarterback.

[38] Some scouts considered Daniel among the best quarterbacks in the 2009 Draft, but they had concerns about his height and whether his skills in the college spread offense would translate to the very different game played in the NFL.

[citation needed] Daniel was not selected in the 2009 NFL draft, but was signed as an undrafted free agent by the Washington Redskins.

[50][51] On November 17, 2009, ESPN reported that Daniel had been cut once again, to allow the Saints to sign cornerback Chris McAlister.

[citation needed] Daniel was promoted to the active roster before the regular season finale on January 1, 2010.

He was a member of the New Orleans Saints Super Bowl XLIV Championship team,[54] although he did not take the field that season.

[55] Going into the 2010 season, Daniel was expected to battle with veteran Patrick Ramsey for the backup quarterback position behind Drew Brees.

[58][59][60] While with the Saints, he was teammates with placekicker Garrett Hartley and long snapper Justin Drescher, all of whom went to Southlake Carroll High School.

In week four, he saw action against the Tampa Bay Buccaneers on a trick play nicknamed "Willy Wonka", which had been designed by coach Matt Nagy and the quarterbacks and named by Daniel days before the game.

Before the play began, receiver Taylor Gabriel and tight end Trey Burton moved along the line of scrimmage to confuse the defense.

[78] On November 21, Daniel was named the starter for the Week 12 Thanksgiving matchup against the Detroit Lions due to a shoulder injury to Trubisky.

[84] With Trubisky unable to play the following week's game against the Oakland Raiders in London, Daniel started as quarterback.

[85] In Week 11 against the Los Angeles Rams on Sunday Night Football, Daniel was put into the game late in the fourth quarter after Trubisky was benched.

[87] Daniel made his first appearance for the Lions during Week 9 against the Minnesota Vikings after starter Matthew Stafford left the game in the fourth quarter.

[94] In Week 18 against the Denver Broncos, Daniel relieved Herbert and threw for 25 yards, completing a touchdown pass to Keenan Allen, as well as a two–point conversion to Joshua Palmer in what would be his final NFL game.

[99] On March 5, 2011, Daniel announced that he was establishing and endowing an athletic scholarship for Missouri football recruits from Texas.