The Cubs are in the middle of a pennant race and in an effort to keep their bullpen fresh and to help slow down Bryce Harper and the Nationals, they're pulling out all the stops.
They inked veteran left-hander Jorge De La Rosa to a deal Friday morning, sending rookie Randy Rosario to Triple-A Iowa and pushing Yu Darvish to the 60-day disabled list to create room on the roster. (That doesn't mean Darvish has suffered a setback. He's already been on the shelf more than 60 days and moving him to that list creates an opening on the 40-man roster for De La Rosa.