Career
He played for VSS Košice (1972-1981), Lokomotíva Košice (1984-1986) and he made 201 appearances and scored 55 goals at the Czechoslovak First League. Andrejko played overall 16 games and scored 2 goals for the Czechoslovakia national under-16, under-18 and under-23 team but never played for the first team He was an assistant coach of the Slovakia U-21 team at the 2000 Union of European Football Associations European Under-21 Football Championship and the 2000 Summer Olympics alongside Dušan Radolský.
He was also a head coach of 1.
Football Club Košice and the Slovakia U-19 team