text:  After the end of the 2009 – 10 season , Brad Stevens and Butler continued to attract considerable attention . President Barack Obama personally called Stevens to <unk> him on Butler 's season . David Letterman had Stevens on his show for a guest appearance . Butler admissions inquiries shot up 67 % . Stevens received fan letters from around the world , and his phone rang off the hook . He was invited to throw the ceremonial first pitch before the Chicago Cubs vs. Florida Marlins game in Chicago on May 10 . " It 's all been very surreal , " Stevens said . " If you are the runner @-@ up , you don 't expect to talk to the president . " " It 's been a little overwhelming , because I 'm a pretty simple guy , " he added . 
  