Known as "Lightning" Lonnie, Smith turned pro in 1980 and lost once in his first 22 fights, before he had a win over undefeated Billy Costello to capture the WBC Light Welterweight world title in 1985.
In 1991 he took on WBC Light Welterweight Title holder Julio César Chávez, but lost a one-sided decision.
[2] Before their bout, the two had a confrontation at McCarran International Airport when Chavez arrived in Las Vegas.
This was recorded by Showtime channel's television camera people and shown to viewers before their actual ring encounter.
[citation needed] Smith never again fought for a title, and retired in 1999 after a loss to Diosbelys Hurtado with a record of 45-6-2.