The term 'Reason for Extra Innings' refers to a situation in which a baseball game is tied after the regulation nine innings have been played. In this case, extra innings are played until one team wins. The two crossword solutions for this term are 'TIE' (3 letters) and 'TIEGAME' (7 letters). A TIE is when the score is even at the end of the game, and a tiegame is when the game is still tied after extra innings have been played.