Those are Teirs, not rounds.
1 Paul Goldschmidt
1 Chris Davis
1 Joey Votto
2 David Ortiz
2 Freddie Freeman
2 Edwin Encarnacion
2 Prince Fielder
3 Mark Trumbo
3 Eric Hosmer
3 Adrian Gonzalez
3 Allen Craig
3a Albert Pujols ?
3a Brandon Moss ?
3a Kendrys Morales ?
3a Anthony Rizzo ?
4 Michael Cuddyer ?
4 Brandon Bust ?
whatca got?
I didnt consider any of the Catchers that are elig, simply because if you've got a Catcher performing like a top 12 first baseman, you should probably be playing him at catcher.