Gonzalez leads in RBIs, hits, total bases, doubles, and extra base hits. Bautista leads in home runs and OPS. Gonzalez is hitting .358 w/ RISP, Bautista is hitting .239. Gonzalez plays gold glove caliber defense, Bautista plays average defense. Gonzalez has played in 93 games, Bautista has played in 85. Gonzalez plays on the team with the best record in the AL, Bautista plays on the third place Jays.
I don't think that's the best way to judge who the most valuable player is but those are the reasons why Gonzalez would win the award if it was voted on today.