On February 3, 2010, a 23-year-old Alejandro Barrera (12-0, 10 KOs) and Victor Marquez met in the ring for the 2nd time,.
Barrera came in to the fight on a 12-fight win streak with a 83% KO rate, and was fighting after a gap of 2 months and 16 days.
In the rematch, Alejandro Barrera stopped Victor Marquez via KO in the 1st round. Barrera improves his record to 13-0 (11 KOs)
On July 2, 2009, a 22-year-old Alejandro Barrera (10-0, 8 KOs) and Antonio Villanueva met in the ring for the 3rd time,.
Barrera came in to the fight on a 10-fight win streak with a 80% KO rate, and was fighting after a gap of 1 day.
In the rematch, Alejandro Barrera stopped Antonio Villanueva via TKO in the 2nd round. Barrera improves his record to 11-0 (9 KOs)
On October 21, 2011, a 25-year-old Alejandro Barrera (18-0, 15 KOs) and Diego Armando Rivera Martinez met in the ring.
Barrera came in to the fight on a 18-fight win streak with a 83% KO rate, and was fighting after a gap of 3 months and 19 days.
Alejandro Barrera stopped Diego Armando Rivera Martinez via KO in the 1st round. Barrera improves his record to 19-0 (16 KOs)
On February 14, 2009, a 22-year-old Alejandro Barrera (6-0, 4 KOs) and Gonzalo Juzaino met in the ring.
Barrera came in to the fight on a 6-fight win streak with a 66% KO rate, and was fighting after a gap of 2 months and 5 days.
Alejandro Barrera stopped Gonzalo Juzaino via KO in the 1st round. Barrera improves his record to 7-0 (5 KOs)
On December 9, 2008, a 22-year-old Alejandro Barrera (5-0, 3 KOs) and Jose Luis Lopez met in the ring.
Barrera came in to the fight on a 5-fight win streak with a 60% KO rate, and was fighting after a gap of 1 month and 29 days.
Alejandro Barrera stopped Jose Luis Lopez via KO in the 1st round. Barrera improves his record to 6-0 (4 KOs)
On October 25, 2013, a 27-year-old Alejandro Barrera (23-1, 18 KOs) and Juan Carlos Raygosa met in the ring for the 2nd time,.
Barrera came in to the fight on a 3-fight win streak with a 75% KO rate, and was fighting after a gap of 1 month and 12 days.
In the rematch, Alejandro Barrera defeated Juan Carlos Raygosa via majority decision in the 6-round fight. Barrera improves his record to 24-1
On April 1, 2009, a 22-year-old Alejandro Barrera (8-0, 6 KOs) and Manuel Marino met in the ring.
Barrera came in to the fight on a 8-fight win streak with a 75% KO rate, and was fighting after a gap of 14 days.
Alejandro Barrera stopped Manuel Marino via KO in the 2nd round. Barrera improves his record to 9-0 (7 KOs)
On April 18, 2008, a 21-year-old Alejandro Barrera (2-0, 2 KOs) and Edgar Marroquin met in the ring.
Barrera came in to the fight on a 2-fight win streak with a 100% KO rate, and was fighting after a gap of 2 months and 17 days.
Alejandro Barrera stopped Edgar Marroquin via TKO in the 1st round. Barrera improves his record to 3-0 (3 KOs)
On June 19, 2010, a 23-year-old Alejandro Barrera (14-0, 12 KOs) and Christian Solano met in the ring in a super-welterweight bout.
Barrera came in to the fight on a 14-fight win streak with a 85% KO rate, and was fighting after a gap of 3 months and 17 days.
Alejandro Barrera stopped Christian Solano via TKO in the 9th round. Barrera improves his record to 15-0 (13 KOs)
On July 1, 2009, a 22-year-old Alejandro Barrera (9-0, 7 KOs) and Antonio Villanueva met in the ring for the 2nd time,.
Barrera came in to the fight on a 9-fight win streak with a 77% KO rate, and was fighting after a gap of 3 months.
In the rematch, Alejandro Barrera stopped Antonio Villanueva via TKO in the 2nd round. Barrera improves his record to 10-0 (8 KOs)