Cubs' Ryan Sweeney has broken rib

Chicago Cubs outfielder Ryan Sweeney will miss four to six weeks after fracturing his left rib while running into the center-field wall during Chicago's 5-3 win over Seattle Saturday.

Initial X-rays did not show much damage, but a follow-up CT scan revealed the fracture. Sweeney will be placed on the disabled list and the Cubs will call up a replacement before Tuesday's game at Oakland.

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