Jimmy Gammon played baseball at Union from 1970-74 and served as team captain. He was considered by many as one of the best catchers in the country during his time at Union. He set the program record with a 19-game hitting streak. As a sophomore, he hit .325 with 55 hits, 37 runs, 12 doubles, and two home runs.
Gammon led Union to the NCAA Small College World Series in 1970 and 1972. His team also went to one NAIA National Tournament (1973).
In 1974 as a senior, Gammon was named the team's Most Valuable Player and was awarded the Fred DeLay Memorial Award for the most outstanding varsity athlete at Union. He also earned the Outstanding College Athletes of America Award from the organization based in Washington D.C. WJAK radio out of Jackson honored Gammon with the Super Sport Award for supreme individual effort in the world of sports further promoting the greater Jackson area.
Gammon was just as successful off the field at Union, being named Mr. Union, was an officer for ATO fraternity at Union, was voted a campus favorite, was elected junior class president, and president of the U-Club.
Gammon has continued to be active in sports in Jackson since his time at Union. He was a member of Jackson City Championship teams in softball, racquetball, basketball, and golf. He is a club champion at Hidden Valley Golf Club and has recorded 10 holes in one. He is an avid bass fisherman and remains a fan of Union sports. Gammon has won professional awards for his work in insurance. He is a member of Calvary Baptist Church.
Gammon and his wife, Judy, have been married for 44 years. They have one daughter, Rachel Gammon, and a granddaughter, Layla James Gammon.
