Jansen attended high school at Brophy College PreparatoryinPhoenix, Arizona. He attended Rancho Solano Private School prior to that, where he starred as quarterback, leading the RSPS Mustangs to an MVAL championship in 1999.
The Packers traded Jansen to the Carolina Panthers for a conditional pick in the 2011 NFL draft on April 13, 2009.[3] On February 8, 2012, the Panthers re-signed him to a four-year contract worth roughly $3.6 million.[4]
On January 15, 2014, it was announced that he would be one of seven Panthers players to be voted into the 2014 Pro Bowl.[5]
On February 7, 2016, Jansen was part of the Panthers team that played in Super Bowl 50. In the game, the Panthers fell to the Denver Broncos by a score of 24–10.[6]
On February 17, 2016, the Panthers signed Jansen to a five-year, $5.5 million contract extension.[7]
In Week 3 of the 2020 NFL season against the Los Angeles Chargers, Jansen recovered a punt at the Chargers' one-yard-line near the end of the fourth quarter. The Chargers failed their winning drive by less than 20 yards, the length of a touchback.
On March 17, 2021, Jansen re-signed with the Panthers on a one-year contract.[8]
On February 9, 2022, Jansen signed a one-year contract extension with the Panthers.[9]
On November 27, 2022, Jansen tied former longtime Panthers kicker John Kasay for most games played for the franchise (221).[10]
Jansen signed a one-year contract extension on February 20, 2023, and again the following year on March 11, 2024.[11][12]
