Kennison played in 91 games for the Chiefs, from 2001 through 2007. He ranks seventh in team history with 5,230 receiving yards and is eighth with 321 receptions. He also ranks fourth with 17 games with at least 100 receiving yards.
"I am honored and humbled to officially conclude my NFL playing career as a member of the Kansas City Chiefs," Kennison said in a statement released by the team. "My family is extremely grateful to the Hunt family, Scott Pioli and the Chiefs organization for making this moment possible. Kansas City has a special place in our hearts and has truly become our home. I feel very blessed to have been extended the opportunity to retire as a member (of) the Chiefs."
Kennison was a first-round draft pick by the St. Louis Rams in 1996 and played with that team until 1998. He played for the New Orleans Saints (1999), Chicago Bears (2000) and Denver Broncos (2001) before joining the Chiefs in the middle of the 2001 season. He rejoined the Rams for one season in 2008.
Kennison finishes his 13-year NFL career with 548 receptions for 8,345 yards with 42 touchdowns.
The Associated Press contributed to this report