(CBS) The Cubs on Mondy cut their spring training roster from 60 players to 50.

Chicago optioned right-hander Aaron Brooks, right-hander Jose Rosario and left-hander Jack Leathersich to Triple-A Iowa. Right-hander Duane Underwood was optioned to Double-A Tennessee.

Right-hander Seth Frankoff, right-hander Casey Kelly, right-hander Jhondaniel Medina, right-hander Conor Mullee and left-hander Zac Rosscup were sent to minor league camp. Right-hander Maikel Cleto was released.

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