By Chris Emma–

CHICAGO (CBS) — A collision that seemed to occur in slow motion brought delayed effects. Cubs outfielder Coghlan has been placed on the 15-day disabled list with a right rib contusion suffered during a collision with shortstop Addison Russell in Game 1 of a doubleheader Tuesday.

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Coghlan converged with Russell on a high fly ball, which saw neither Cub call the other off. Coghlan was down in pain for several minutes, but he would stay in the game. In the bottom half of the inning, Coghlan doubled and scored a run.

In place of Coghlan, the Cubs filled a short-handed bullpen by recalling right-hander Spencer Patton from Triple-A Iowa. The team earlier placed reliever Joe Smith on the disabled list with a hamstring strain, electing to keep Tuesday’s 26th man, right-hander Trevor Cahill, on the roster.

Additionally, the Cubs are skipping right-hander John Lackey’s next start after he left Sunday’s outing with soreness in his throwing shoulder. Cubs general manager Jed Hoyer stated that Lackey will be evaluated on a day-to-day basis.

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Patton moves into the Cubs’ pitching plans as an extra arm while Lackey is evaluated. When Lackey returns, either Cahill or Patton could be sent back down, and a position player would be added back to the mix.

Each of these roster moves coincide with infielder Tommy La Stella reporting to Double-A Tennessee in a return from a baseball hiatus. La Stella will rejoin the Cubs during prior to Sept. 1, perhaps soon if injuries test team depth.

The Cubs and Brewers on Wednesday play their third contest of a four-game series.

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Chris Emma covers the Bears, Chicago’s sports scene and more for CBSChicago.com. Follow him on Twitter @CEmma670 and like his Facebook page.