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The Cubs optioned Rolison to Triple-A Iowa on Thursday.

The left-hander was claimed off waivers by the Cubs in January, but he'll be cut from big-league camp after giving up seven runs over 4.1 innings during spring training. Rolison made his MLB debut with 31 appearances for Colorado last year and finished with a 7.02 ERA. 1.77 WHIP and 25:20 K:BB across 42.1 innings.

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