Banter From The Bench: Gavin Hollowell is a rare breed of Rockies’ relief pitcher

When Gavin Hollowell made the jump from Double-A to the big leagues, he became the first to skip Triple-A for the Colorado Rockies since Ryan Feltner just a year prior. Before that, one would have to go back to Chad Bettis in 2013. As far as relief pitchers are concerned, it’s an ever more rare occurrence. Hollowell also became the…