Tuhia he haere tonu mo tenei whitianga - I noho a Cooper hei kaiwhakawa pumau mo te Major League Baseball i te timatanga o te 1999. I mahi ia i te Raupapa Wahanga (2003, 2005, 2006, 2008, 2009, 2011, 2012, 2013, 2014, 2019), te Raupapa Whakataetae Rōpū (2004
, 2015, 2016, 2017), te Major League Baseball Wild Card Game (2015 me te 2016, 2017), te 2014 World Series, me te 2005 All-Star Game. I mahi ano a Cooper i te World Baseball Classic i te 2009 me te 2013.