Before finishing his career in July 1969 orthodox boxer Cleroux built up a record of 48 wins, 1 draws, and 6 losses, starting at age 19 on June 1957 and ending 12 years later at . Cleroux's longest win streak is 12 fights between June 1957 and October 1960. His longest KO streak in his 55 fights is 6 fights long.
Getting rid of his debut fight nerves early, Cleroux took on Ray Batey in June 1957 and claimed a stoppage victory (round 4, TKO). Cleroux was the first person to have ever stopped Batey. Cleroux continued his mostly successful career with numerous fights following his debut against boxers including Roy Harris, Willi Besmanoff and Buddy Turman. Fights included fighting 3 times in 1957, 6 times in 1958 and 19 times through 1959, 1960 and 1961.
Keeping his losses at 0, Cleroux fought on June 8th, 1958 against Eddie Vick where the result was a draw. This took his record to 4-0-1 showing a successful career to date. Eddie Vick was Cleroux's next opponent of his career in 1958. The fight was scheduled for 6 and Cleroux was the 2nd person to go the distance with Vick where the fight ended in a draw. Taking his record to 6 wins, 0 losses and 1 draws, Cleroux then went on to win a further 2 fights.
Solomon Mctier was the next fight for Cleroux on October 12th, 1958 and also his next career win. Mctier was stopped in the 5th round via KO crowning Cleroux as the first person to stop this opponent. 5 wins followed where Cleroux went on to be the 5th person to stop Cornelius Brown (Round 1 TKO), first to stop Charlie Hood and 5th person to stop Eddie Henderson (Round 2 TKO).
Cleroux went into his next fight against Buddy Turman on May 29th, 1959 with a career record of 12-1-1. Cleroux's first defeat came over the full distance against Buddy Turman on May 29th, 1959. The fight went to the judges in a PTS loss for Cleroux. Cleroux then went on to win a further 11 fights taking his record to 23 wins, 1 losses and 1 draws.
Buddy Turman was Cleroux's next fight on October 26th, 1960 and also the next win in his career via KO. This took his record to 24-1-1 showing a mainly successful career to date. Cleroux was the 2nd person to stop Buddy and he did it in the 2nd round via KO. The fight was due to last 10 rounds. Fights against boxers including Cleveland Williams, Roy Harris and Tony Hughes followed where he won 27 fights taking his winning streak to 47 wins.
Cleroux went into his next career fight with a record of 47-5-1 and took this to 48 wins with a win against Bob Felstein on May 15th, 1969. In 1969 Cleroux fought his next opponent in Bob Felstein. A challenging 10 round fight that ended in Cleroux's favour as the judges awarded Cleroux the PTS victory. Cleroux was the 7th person to defeat Felstein.
Cleroux's next defeat of his career came against Billy Joiner on July 31st, 1969. This was a disappointing end to Cleroux's career, losing to the better man in Joiner over a 10 round fight. This was the last time Cleroux fought.