Pedro Alvarez has been making the transition to first base in the last few weeks, after a season full of throwing problems at the third base position. Alvarez made his debut tonight at first, batting fifth against right-handed pitcher Ervin Santana. The move puts Ike Davis on the bench, with Davis previously representing the left-handed half of the first base platoon.

The first base platoon hasn't been the most productive pair this year. There have been times where Davis and Gaby Sanchez have looked great, but largely they have been inconsistent. That said, Alvarez doesn't look like a big upgrade at the moment.

This season, Alvarez has a .757 OPS against right-handed pitching. Ike Davis hasn't been great, but has much better numbers, with a .776 OPS against right-handers. The differe...

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