I'm mentioning this because the season he won it for was as a Yankee, of course. From the official site:

Alex Rodriguez's terrific season may soon open a pathway to even greater riches, as the Yankees prepare a lucrative contract extension for the All-Star third baseman. ...

Rodriguez received 24 percent of the American League vote and secured his fourth Hank Aaron Award on Sunday, with the presentation taking place at Colorado's Coors Field before Game 4 of the World Series.