The Rockies will add reliever Zach Putnam to their active roster for Wednesday’s doubleheader.
MLB’s new collective bargaining agreement allows teams to carry 26 players for a traditional doubleheader, so the Rockies will take advantage. Putnam, 24, has registered a 1.23 ERA in 7 1/3 innings this season at Triple-A Colorado Springs.
Source: denverpost.com