In 1956 the Cy Young award was created for the best pitcher in part because pitchers were winning the MVP award so often. Originally, only one Cy Young award was given, then after Sandy Koufax dominated, one pitcher in each league was voted to be the best.
The writers are required to vote before the tournament begins, although I don't know how that actually works, especially with the extra play-in game between Texas and Tampa, which was a regular season game.
Click this link to view the detailed data on recipients of the MVP award..
Here is the count of MVP winners by fielding position, including some players winning multiple times.
This may be another reason the Yankees should not make too big an offer to their second baseman Robinson Cano. Here are the nine second basemen voted MVP with only Joe Morgan winning more than once:
Robin Yount won once as a shortstop and later as a center fielder. The only other players to win at multiple positions:
Stan Musial: twice in right and once at first
Alex Rodriguez: short and twice at third
Hank Greenberg: first and left.
Barry Bonds, of course, skews the number for left fielders with 7 of the 22. Ted Williams is the only other in left with multiple MVP: two, although he probably should have won more.
Of the 15 MVP in center these players dominate with 10:
Of the 21 in right the most by an individual is two by these players:
Frank Robinson, the only player to win at least one MVP in each league
Of the 16 wins at third are these multiple winners:
Alex Rodriguez 2
Of the whopping 29 at first there are these multiple MVP: