The White Sox are going with a six-man rotation

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As has been suggested ever since it became clear that, yes, Jake Peavy was actually coming back, starting tomorrow, the White Sox are going to go with a six-man rotation. Today Brett Ballantini of CSN Chicago has the complete breakdown of the schedule and the White Sox’ starters’ splits on four, five and six days’ rest.  The upshot: everyone except Edwin Jackson does better on extra rest, and Jackson does about the same. Brett also proposes some schedule tweaks that would optimize the number of starts each guy gets on his best rest period (some do better with five days off; others six).

We hear about teams messing with — or at least flirting with — the idea of six-man rotations from time to time, but the White Sox’ experiment is supposed to last a while. Scanning around the web for a few minutes I couldn’t find any comprehensive studies of the beast, so I’m not sure (a) if anyone has used a six-man rotation for a sustained period of time; or (b) if it was useful.  It strikes me that the biggest risk to it all is not what it means for the starters themselves but for roster construction. Are there enough position players on the bench? Will the manager, knowing that his starters are better rested, better-optimize his bullpen use?

It’ll be interesting to watch. And, if the White Sox go on a tear over the next month, will be something we’ll probably see more of.

The Cubs will try to clinch the NL Central on Tuesday

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The Cubs soundly defeated the Cardinals on Monday night, 10-2, sending their magic number down to one. They will try to clinch the NL Central on Tuesday with another win against the Cardinals. Alternatively, if they lose, they can still clinch if the Brewers also lose on Tuesday.

The Cubs, of course, won the Central last year en route to winning their first World Series since 1908. It wasn’t nearly as easy this year as the club was below .500 entering June and was exactly at .500 entering July. A 16-8 July, 17-12 August, and 15-8 September have helped put the Cubs back in position to return to the postseason.

Not to be forgotten, the Cardinals were eliminated from NL Central contention with Monday’s loss. Now they have their sights set on the second NL Wild Card slot and currently trail the Rockies in that race.

The matchups for Tuesday’s action:

Carter Capps to undergo surgery for thoracic outlet syndrome

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Dennis Lin of the San Diego Union Tribune reports that Padres pitcher Carter Capps will undergo surgery this offseason to address thoracic outlet syndrome, which doctors believe caused the right-hander’s blood clots. The Padres hope to have him ready by spring training next year.

Capps, 27, underwent Tommy John surgery last year and didn’t debut this season until August 7. He made 11 relief appearances, yielding nine runs on 12 hits and two walks with seven strikeouts in 12 1/3 innings. He went back on the DL on September 12 due to the blood clot issue.

The Padres acquired Capps from the Marlins last July in the Andrew Cashner trade which ended up having a lot of moving parts. Capps will enter his third and final year of arbitration eligibility this offseason. It’s quite possible the Padres choose to non-tender him.