Bryce Harper and Josh Donaldson have won the respective MVP awards for the National League and American League.
Washington Nationals outfielder Harper and Toronto Blue Jays third baseman Donaldson were announced as winners of the honours on Thursday following voting by the Baseball Writers' Association of America.
Harper becomes the first MVP in franchise history for the Nationals, who missed out on the postseason despite an incredible season from the 23-year-old.
A first overall pick by the Nationals in the 2010 draft, Harper recorded a batting average of .330, an on-base percentage of .460 and hit 42 home runs and 99 RBIs in 2015. He also drew an astonishing 124 walks and stole six bases.
Harper earned all 30 of the possible first-place votes in the National League.
Meanwhile, Donaldson gained 23 first-place votes in the American League, 16 more than runner-up Mike Trout of the Los Angeles Angels.
Donaldson finished the year with a .297 batting average, a .371 on-base percentage along with 41 home runs and 123 RBIs as he helped the Blue Jays to a 93-69 record.
Toronto went on to reach the American League Championship Series, only to lose to the eventual World Series champion Kansas City Royals in six games.