Henry Haracz replied to the Indians, saying he was the fan the television cameras showed during the playoff game.
Cleveland sports fans were thrilled Haracz wore an Indians hat and sweatshirt at the game.
"Way to represent Henry," Aaron Carden posted on Twitter.
"Well hello Henry! Cudos to you for representing," Lauren Dodge posted on Twitter.
According to his Twitter profile Haracz attends Loyola Academy and lives in Evanston, Ill.