With John Lackey ramping up for return, could Cubs go to six-man rotation?

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LOS ANGELES – John Lackey is ramping up for a return to the rotation and all those “Big Boy Games” the Cubs are supposed to play in October.

The Cubs expect Lackey to test his strained right shoulder and throw two bullpen sessions this week, manager Joe Maddon said Sunday at Dodger Stadium. If everything goes smoothly for the two-time World Series champion, the Cubs will tentatively schedule Lackey’s next start for either the Labor Day weekend showdown against the San Francisco Giants at Wrigley Field, or near the beginning of a three-city road trip in early September.     

Lackey (9-7, 3.41 ERA) has accounted for 158-plus innings, making 24 starts and stabilizing the rotation before going on the disabled list on Aug. 15. Jason Hammel should eventually cool off and will be “well-rested” after Maddon’s quick hook on Saturday afternoon at Dodger Stadium. The Cubs also like what they’ve seen from Mike Montgomery, believing the lefty can develop into a solid big-league starter.

[SHOP: Gear up, Cubs fans!]

Could the Cubs go to a six-man rotation down the stretch?

“We haven’t planned that specifically yet,” Maddon said. “I’m not opposed, let me put it that way. We’ll see how it all plays out with Mikey the next time through. Again, to do anything we possibly can to conserve our arms for the end of the year is important. 

“It’s being proven throughout the industry right now. Moving forward, the biggest trick there is to get the sixth guy that you like. Most teams are clamoring to get (No.) 4 and 5. We got five that we like. Now we’re working on 6.”

It’s not like the Cubs are fighting for a wild-card spot or clinging to a one-game lead in the division. The best record in baseball allows them to look at the big picture and get creative in September. The counterargument to keeping starters fresh for October would be keeping creatures of habit like Jon Lester and Jake Arrieta in a rhythm. 

“Starting pitchers have always rallied to say that they need to stay on that particular plan,” Maddon said. “But I think it’s kind of been proven – just give them that extra day or two on occasion and it really benefits them. So I just think you’re fighting this old view of specifically how it needs to be done." 

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