DENVER – The Colorado Rockies have added another left-hander to their bullpen. Zac Rosscup, who was traded to the club from the Chicago Cubs last month, has been called-up. Rookie right-hander Antonio Senzatela was optioned to Triple-A Albuquerque.
At 29, Rosscup will provide Colorado with another lefty option. He has been a menace to left-handed hitting, holding them to a .162/.303/.284 slash line over 45-plus innings in the bigs. He has spent most of 2017 at Triple-A, posting 17 solid appearances for Iowa with a 12.7 K/9, 2.6 BB/9 and a 2.