Red Sox's Mookie Betts promised a fan he would homer for him. He hit three
5 things to know about Red Sox prospect Ceddanne Rafaela
Boston - Baseball Prospectus
Mookie Betts homers three times as Red Sox drop Yankees, 10-5
MORE
Mookie Betts hits three homers for fan
Mookie Betts, Dodgers agree to historic 12-year extension
Betts smashes slam, Biggio has a big day and Red Sox rookie walks it off in 'grand' style
Red Sox: Mookie Betts sets franchise record for three-home run games
Here's the danger in trading away players like Andrew Benintendi
Surprising Red Sox roster move costs them promising pitcher
