The Red Sox duo is the first to average at least .330 and hit at least 30 home runs since the Yankees' Lou Gehrig and Joe DiMaggio in 1937.
'They're a marvel': Boston's J.D. Martinez, Mookie Betts in rare air as complete hitters
The Red Sox duo is the first to average at least .330 and hit at least 30 home runs since the Yankees' Lou Gehrig and Joe DiMaggio in 1937.
