What's behind these rash of injuries lately? That's the big question as Tennis Channel pundits debate on this troubling issue which saw three members of the Big Four -- 2012 champ Andy Murray, 2011 & 2015 winner Novak Djokovic, and defending champ Stan Wawrinka -- withdraw from this year's US Open with respective lingering injuries.
"My point on all this is this is not okay," argues Jon Wertheim.
Watch video to see who wins the debate, if at all there's a winner in a situation like this.
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