title: Comment on "Match Analysis of U9 and U10 English Premier League Academy Soccer Players Using a Global Positioning System: Relevance for Talent Identification and Development".
authors.affiliation: 1Institute of Coaching and Performance, University of Central Lancashire, Lancashire, United Kingdom2LOSC Lille Métropole Football Club, Domain de Luchin, Camphin-en-Pévèle, France.
authors.forename: Christopher
authors.initials: C
authors.lastname: Carling
authors.forename: Dave
authors.initials: D
authors.lastname: Collins