Player Performance Model, comparison between youth professional (U-21) and professional first team football players: Different external load or not? - Izzo, R.; Varde`i, C. H.; Raiola, G.; Santinelli, F. (Journal of Human Sport & Exercise, 2019)
Keywords: soccer; performance capacity; modelling; analysis; load; junior elite sport; professionalism; Spain; sport games; junior sports