Born in Dublin,[2] Graydon was at Bohemians as a youngster, playing for their U-17 side in 2015 season and then to their U-19 team in 2016. He would made his senior debut in a League Cup win over Cabinteely at Dalymount Park on 26 March 2018.[3]
After a spell with Bray Wanderers in which he reached the League of Ireland First Division promotion play-off final, Graydon joined Longford Town in February 2022.[4] He joined Derry City from Longford in July 2022, agreeing to a two-and-a-half-year deal.[5][6] He joined for a fee in the region of €10,000.[7] He represented Derry in the UEFA Europa Conference League,[8] making his debut against Riga FC on July 14, 2022.[9] He was reported as calling playing in European competition as a “lifelong dream”.[10]
Graydon's form was such that he was a considered “a central figure” in Derry's 2022 FAI Cup Final victory over Shelbourne in November 2022.[11] In May 2023 Derry reportedly rejected an offer from Fleetwood Town for his services.[12] However, in July 2023, Graydon completed a move to Fleetwood Town, signing an initial two-year deal.[13]
International career
Graydon has represented the Republic of Ireland at under–19 level, appearing in a friendly against Czech Republic in September 2017.[14]
Style of play
Graydon has been described as a “versatile attacker”,[15]
and winger.[16] He has been compared to Irish international player James McClean by his manager at Derry, Ruaidhri Higgins.[17]