He played college football for the Weber State Wildcats and was signed by the Los Angeles Rams as an undrafted free agent after the 1993 NFL draft.

Martin was also a member of the Washington Redskins, the Jacksonville Jaguars, the Cleveland Browns, the New York Jets, the New Orleans Saints, the San Francisco 49ers, and the Amsterdam Admirals.

He led his team to the California Interscholastic Federation championship in 1987, when he completed 170 of 276 passes (61.6 percent) for 2,259 yards and 16 touchdowns.

Overall during his prep career for AGHS, Martin accumulated 4,955 passing yards and 40 TDs, each Northern League records at the time.

With Martin at the helm, Weber State's offense averaged 578.5 yards per game, setting a national record.

On September 10, 2008, Martin was signed by the San Francisco 49ers after quarterback Alex Smith was placed on injured reserve.

The move reunited Martin with 49ers offensive coordinator and former Rams head coach Mike Martz.

On April 4, 2012, Martin, a drum player, founded Explode the Moon, an electric rock band that does cover songs.

Martin recently took ownership of Circa Pub & Grill, a restaurant in Des Peres that serves traditional St. Louis dishes.

In 2023, Martin became the head coach of the Ogden Jets,[4] a team that is part of the private Junior College football league USA Collegiate.