And Casey expressed appreciation both for Calderon 's on - court contributions and mentorship .
He praised his Olympic experience as a two - time silver medalist ( 2008 , 2012 ) and bronze medalist ( 2016 ) .
Casey expressed appreciation both for Calderon 's on - court contributions and mentorship .
He praised his Olympic experience as a two - time silver medalist ( 2008 , 2012 ) and bronze medalist ( 2016 ) .