Whilst at college, Frischknecht appeared in the USL PDL for his college team, BYU Cougars during and after his years of enrollment at the college.[3] He also played with Ogden City SC in 2018[4] and 2019.[5] Following his time with Ogden City in the PDL, he went to play with NPSL side Orange County FC.[6][7] Frischknecht made headlines in May 2019 when his 89th-minute goal gave OCFC the lead over Las Vegas Lights FC in the Third Round of the 2019 U.S. Open Cup.[8] The win made history for Orange County, which became the first NPSL side to ever beat two professional teams in a single U.S. Open Cup tournament.
Professional
On August 13, 2020, Frischknecht signed with local USL Championship side Las Vegas Lights.[9] He made his professional debut on August 15, 2020, appearing as a 78th-minute substitute during a 1–0 loss to Orange County SC.[10]
While at BYU Frischknecht appeared with other members of his team in the Studio C viral video "Top Soccer Shootout Ever With Scott Sterling".[1] In the fictional Penalty shoot-out between Yale and North Carolina he plays the roll of Tarheels' player "Lambert".[12]