Magsayo, aged 17, started his career on May 2013. Although still relatively close to the start of his career, his record stands at 9 wins and will hopefully continue to rise. He started his best winning streak on May 2013 however, this came to an end on April 2016. In this period he won a total of 9 fights.
A calm Magsayo made the statement he was hoping for in a 4 round fight against Melton Sandal. Claiming the only stoppage defeat of Sandal's career in round 1 of the fight via KO. Continuing on from his winning debut, Magsayo's winning streak continued with wins against fighters included John rey Melligen, Roy Sumugat and Hagibis Quinones fighting 4 times in 2013 and once in 2014.
John rey Melligen was up next for Magsayo on August 24th, 2013. Magsayo continued with his winning streak by beating Melligen. In 2013 Magsayo fought his next opponent John rey Melligen and defeated him via UD. Magsayo was the 2nd person to go the distance with Melligen. Magsayo fought boxers including Roy Sumugat and Hagibis Quinones and he went on to win another 2 fights.
Magsayo then went on to fight and beat Hyuk-tak Joo on May 10th, 2014 maintaining his unbeaten record. Hyuk-tak Joo was Magsayo's next opponent of his career in 2014. The fight was scheduled for 4 and Magsayo was the 3rd person to go the distance with Joo. Magsayo then went on to face Ernesto tata Fontanilla where he added another win to his tally.
Magsayo entered his next fight with 7 wins and took this to 8 with a win against Jessie Tuyor on September 8th, 2014. Tuyor was stopped in the 1st round via TKO meaning Magsayo was the 6th person to stop this opponent in his career.
The unbeaten run continued with the defeat of Chris Avalos in his latest fight on April 23rd, 2016, taking his winning record to 9 wins. Magsayo beat Chris Avalos in the 6th round of a 12 round fight via TKO. Magsayo was the 3rd fighter to stop Avalos.