Aged 18, Rosales started his career on May 2013. His record is slightly mixed currently standing at 7-2-0. Hopefully more wins will follow. Rosales's longest KO streak is 2 fights long out of his 9 career fights.
In a memorable debut Rosales gained a TKO win against Marcos Arauz in a 4 round contest, becoming the 2nd person to stop Arauz. Rosales continued his pro journey by fighting 5 fights following their debut. Fights against boxers such as Luis Ruiz, Isaias Galeano and Wilmer Blas followed including 5 times in 2013.
Next was Isaias Galeano on June 22nd, 2013 where Rosales took the win continuing his unbeaten streak. In 2013 Rosales fought his next opponent Isaias Galeano and defeated him via UD. Rosales was the 2nd person to go the distance with Galeano.
Taking the first knock of his career, Rosales fought Keyvin Lara on August 30th, 2013 and was defeated by Lara. Rosales's technical boxing ability was put to the test as he got outpointed in the 4 round fight against the better man. Lara gave Rosales his first professional loss of his 3 fight career to date. Fights against Luis Ruiz, Luis Rios, Wilmer Blas and 1 other followed where he won all 4 fights taking his winning streak to 6 wins.
Rosales entered his next fight with a mostly successful record of 6-1-0 and took this to 7 wins with a win against Yader Cardoza on September 26th, 2014 via KO. The win happened in the 1st round of a 8 round fight via KO.
On March 28th, 2015, Rosales took on and was defeated by Khalid Yafai meaning his career tally went to 7-2-0 Rosales fought and was defeated by Khalid Yafai. Rosales was the 5th person to go the distance with this opponent resulting in the eventual loss of the fight.