Updated · Sources: English Wikipedia, Wikipedia (ja), Wikipedia (ru), +4
Roberto Valenzuela is a super welterweight boxer. Record 1-18-0 with 1 knockout over 2005–2025. Roberto Valenzuela last fought Isaac Lucero on Dec 6, 2025 and lost by TKO in round 8.
Born—
Country—
DebutJun 16, 2005
Career2005–2025
Rounds boxed97
KO share100%
Boxerbook rating#34 in Super welterweight · 1187 ± 187Why here ›
19 bouts, 2005–2025, newest first. Records under each bout are both boxers going in.
Record compiled by Boxerbook from fight records
Bouts by source: English Wikipedia · 14, Wikipedia (ja) · 3, Wikipedia (ru) · 3, California State Athletic Commission — Results (archive) · 3, WBA Fights Master Scores · 2, Wikipedia (pl) · 1, Wikipedia (es) · 1
Valenzuela has fought as high as 165 pounds and as low as welterweight in the last 18 months. Valenzuela said 154 pounds is the weight he feels the strongest at. Valenzuela's father is his chief second. Valenzuela has won five consecutive bouts all by stoppage. Valenzuela is from Agua Prieta, Sonora, Mexico. Valenzuela's father is a retired former super middleweight who retired in 2021 at the age of 48. Valenzuela is fighting his seventh undefeated opponent. Valenzuela's father, Roberto Valenzuela Sr., fought 161 times as a pro with 56 knockout wins. Valenzuela's last two losses came to future 154-pound title holders Bakram Murtazaliev and Xander Zayas. Valenzuela was stopped by Zayas in the fifth round. Two of Valenzuela's five losses have come against current title holders Xander Zayas and Murtazaliev, and both fighters asked him to join their camps afterwards to spar. Valenzuela has no knockouts past round seven.
Quotes (12)
“He's fought as high as 165, as low as welterweight in the last 18 months alone” · Premier Boxing Champions
“he said 154 is the weight he feels the strongest at” · Premier Boxing Champions
“now he's the chief second for his son” · Premier Boxing Champions
“who's won five consecutive bouts all by stoppage” · Premier Boxing Champions
“JOINING US FROM AGUA PRIETA, SONORA, MEXICO” · Premier Boxing Champions
“Valenzuela's dad is a retired former super middleweight. He retired in 2021 at the age of 48” · Premier Boxing Champions
“Valenzuela fighting his seventh undefeated foe” · Premier Boxing Champions
“Roberto Valenzuela Sr. fought 161 times as a pro. YOU TALK ABOUT OLD SCHOOL MENTALITY WITH 56 knockout wins” · Premier Boxing Champions
“His last two losses came to future 154-lb title holders Bakram Murtazaliev and Xander Zayas” · Premier Boxing Champions
“VALENZUELA WAS STOPPED BY ZAYAS IN THE FIFTH ROUND” · Premier Boxing Champions
“Two of Valenzuela's five losses have come against current title holders in Xander Zayas and Murtazaliev. AND HE SAID BOTH FIGHTERS ASKED HIM TO JOIN HIS CAMP AFTERWARDS TO SPAR because they loved the work that he gave them” · Premier Boxing Champions
“this Valenzuela doesn't have any knockouts past round seven” · Premier Boxing Champions
Ratings now
Not in any current ranking.
World titles
No world title reigns recorded.
Facts
What is Roberto Valenzuela's record?
Roberto Valenzuela's professional record is 1-18-0 with 1 knockout.
When is Roberto Valenzuela's next fight?
No next fight is confirmed as of 21 Oct 2026.
Who did Roberto Valenzuela fight last?
Roberto Valenzuela last fought Isaac Lucero on Dec 6, 2025 and lost by TKO in round 8.
Sources
Boxerbook ID 20822 · permanent link boxerbook.com/id/20822. Sources: fight records collected by Boxerbook (commissions, official results, press, bookmakers' cards). Spot a mistake? Every bout page has a link to report it.