The Brewers tied the game in the ninth inning when Yelich hit an opposite-field double off closer Aroldis Chapman and later scored on Sal Frelick’s base hit.

Christian Yelich woke up Tuesday having never hit a walk-off home run in his 12-plus season MLB career. With his Milwaukee Brewers and the Boston Red Sox knotted in a 1-1 tie in the bottom of the 10th inning, Yelich tripled the game's run tally with one swing of his bat.

Christian Yelich sends Brewers and baseball fans into frenzy after hitting a huge grand slam home run against the Red Sox.