Calleja's professional career spans from 2019 to 2023, a period of roughly 4 seasons over which he has amassed 202 appearances spread across 2 clubs. With 13 goals and 1 assists recorded across that span, his record reflects a sustained contribution at the highest level.
His most productive season in attacking terms came in 18/19 with Las Rozas, when he registered 6 goals and 0 assists in 105 matches, playing 9185 minutes. That campaign stands out as one of the high points of his output.
In his most recent recorded season (22/23) at Unión Adarve, Calleja played 31 matches, scoring 2 goals and providing 1 assists.
Among the notable milestones of his career, Calleja has passed the 200-appearance milestone.