Souza Filho, M.J., Albuquerque, M.R., Costa, I.T., Malloy-Diniz, L.F. and Costa, V.T. 2017. Comparison of the motivation level of soccer players with high and low played time in matches Under-20. Journal of Physical Education . 29, 1 (Nov. 2017), e-2911. DOI:https://doi.org/10.4025/jphyseduc.v29i1.2911.