Born in Mapusa, Goa, Fernandes started to play football from the age of nine years.

[1] Early on, Myron was trained by then Churchill Brothers S.C. player, Sebastian D’Costa, who was also his uncle.

[1] Later Myron was selected to train at the Goa United Sports Academy under the coaching of Agostinho Dias.

[1] The next year, Fernandes was the only Indian footballer selected for the "Gary Linekar scholarship" which saw him train for one week at the academy of Leicester City.

at the Balewadi Sports Complex in which he came on in the 92nd minute for Clifford Miranda as Dempo managed to only draw the match 1–1.