Do players competing in the UEFA Champions League maintain running performance until the end of the match? Positional analysis between halves and 5-minute intervals - Kolodziejczyk, M.; Chmura, P.; Modric, T.; Versic, S.; Andrzejewski, M.; Chmura, J.; Sekulic, D.; Rokita, A.; Konefal, M. (The Journal of Sports Medicine and Physical Fitness, 2023)