With a career lasting 10 years, southpaw Pierre Rossi started off his career at age 24 on February 1957, last fighting in 0 and building a record of 37-6-6. Rossi in his 49 fights. Between February 1957 and December 1958, Rossi had his longest winning streak of 18 fights. In his 49 fights, his longest KO streak is 2 fights long.
In his debut fight, Rossi's became only the 2nd fighter to go the distance with Noel Allias, winning by PTS in round 6 of 6. Following on from his debut, Rossi continued his mostly successful career by fighting in a further 25 fights. In this time he fought Esteban Martin, Michel Lamora and Christian Marchand to name just a few, fighting 12 times in 1957, 6 times in 1958 and 7 times through 1959 and 1960 in this period.
Said Hamaden was up next for Rossi on May 4th, 1957. Rossi continued with his winning streak by beating Hamaden. Rossi was the 2nd person to go the distance with Hamaden. Rossi fought Said Hamaden in 1957, the result was via PTS. Rossi then went on to win a further 12 fights taking his record to 18 wins, 0 losses and 0 draws.
The first defeat of Rossi's career came against Jean Guerard on February 7th, 1959. This took his career record to 18-1-0. On February 7th, 1959, Rossi took on and was defeated over the distance by Jean Guerard in his first career defeat. Rossi lost via PTS in a valiant effort.
Rossi went into his next fight against Rene Libeer on March 23rd, 1963 with a career record of 31-5-4. Libeer was a fight too far for Rossi and after a rough fight Libeer became the first person to stop Rossi in round 9.
On November 5th, 1966, Rossi went into action again and beat Gerard Macrez taking the winning record to 36 wins. Rossi was the 17th person to beat Gerard Macrez where he showed his talent as a technical boxer, beating him over 15 rounds in his 48th professional fight.
Pierre Rossi added another win to his record by beating Jacques Jacob on April 29th, 1967, upping his record to 37 wins. Ending on a high, Rossi showed he still had what it takes as a pro in this final career fight, becoming only the 34th person to beat Jacob over the 10 round distance.