At Jean Ribault High School in 1982, he made first-team All-City and All-Conference, while leading all Jacksonville wide receivers in catches (47), yards (746) and touchdowns (7).
Martin accepted a scholarship to play for Boston College, where he was a three-year starter and is recognized as one of the top wide receivers in school history.
He also caught the winning touchdown pass in the final seconds of Boston College 27-24 Hall of Fame Bowl victory over University of Georgia in 1986.
Nicknamed "K-Mart", by his second season he was named the starter wide receiver alongside Michael Irvin and finished third on the team with 49 receptions.
[2] In 1989, he led the team in receptions (46) and receiving yards (644), even though he was placed on the injured reserve list on November 21, with a left knee interior cruciate ligament injury.
Martin caught 32 passes for 359 yards and three touchdowns, while also finishing second in the NFL with a 12.7 punt return average during the 1992 Super Bowl championship season.
Martin signed with the Seattle Seahawks as an unrestricted free agent in 1993 and had his best statistical season with 57 receptions for 798 yards and 5 receiving touchdowns (led the team).