I don’t think there’s much question that the Phillies starting pitchers in 2010 are going to be better than their starting pitchers in 2009. The question is just how much better. Here’s what the five guys in the starting rotation for 2010, Halladay, Hamels, Blanton, Happ and Moyer, combined to do as starting pitchers in 2009 and how it compares to the overall line for Phillies starters in ’09:

  IP H BB SO ERA Ratio
5 SP 915.7 940 224 719 3.81 1.27
PHI SP ’09 963.7 1022 266 736 4.29 1.34

Phillies starting pitchers overall combined to allow about .495 runs per inning in 2009. Those five pitchers combined to allow about .439 runs per inning, which is about 88.7% of .495.

Halladay threw 239 innings last year, which would have been about 25% of the total innings thrown by starting pitchers if he had thrown them for the Phillies and the Phillies starters had still thrown their 963 2/3 innings. He had a 2.79 ERA and a 1.13 ratio in ’09 and it seems like he may be able to reproduce those fantastic numbers with the move to the NL.

Blanton seems like a good candidate to be about as good in 2010 as he was in 2009.

Hamels seems like a good candidate to be better. Maybe a lot better. He also seems like a good candidate to eat up more innings than the 193 2/3 he pitched in 2009.

Happ seems like he will drop off a little. Moyer will be better or pitch less.

It seems reasonable to assume that the improvement by Hamels and the Moyer spot in the rotation will outweigh the drop off for Happ. As starters, Hamels and Moyer combined to throw 337 innings with a 4.75 ERA and a 1.35 ratio in 2009. Hamels and Moyer, or whoever takes over for Moyer, are going to combine to be a lot better than that in 2010.

If those five did exactly what they did in 2009 again in 2010, here’s what the other Phillies starting pitchers would have to do in 2010 for the Phillies to match their 2009 totals in these categories:

IP H BB SO ERA Ratio
48 82 42 17 13.31 2.58

Insert your own Jose Contreras joke here, but someone in the starting rotation is going to be a lot worse in 2010 than they were in 2009 or the numbers for the rotation are going to get better overall.

The Phillies beat the Blue Jays 4-2 yesterday. Hamels sat down the first nine men he faced before allowing a solo homer to Jose Bautista to start the fourth. Ryan Vogelsong followed Hamels and allowed a run over 2 1/3 innings. JC Ramirez pitched the last three innings and held Toronto to a pair of singles while striking out three. Cody Ransom hit a solo home run for the Phils. Dobbs doubled twice. Mayberry was 2-for-4 with a pair of doubles to raise his average for the spring to .368.

Kyle Drabek started the game for Toronto and pitched two scoreless innings.

This says Brad Lidge will pitch in a game on Monday.