Horton was drafted by the St. Louis Cardinals in the 4th round of the 1980 amateur draft. Horton's first major league hit came on May 21, 1984, off Nolan Ryan.
In 1997, Horton began filling in on Cardinals television broadcasts on FSN Midwest and radio broadcasts on the Cardinals Radio Network.[4] In 2003, he joined the three-man FSN Midwest television broadcast team, working roughly 100 games per year as well as post-game analysis.[5] As of 2022, he provides color commentary on KMOX radio broadcasts.[6]
Personal
Horton briefly appeared in the film Field of Dreams, shown pitching for the White Sox in a scene where Ray Kinsella's young daughter is watching baseball on television. He is a 2024 inductee into the Dutchess County (NY) Baseball Hall of Fame.