SCOTTSDALE, Ariz. — Those who watch Rockies right-hander German Marquez pitch invariably come to a similar impression. It goes something like this: “It looks like he’s throwing so smooth and easy that I can’t believe he throws that hard.” John Leyba, The Denver PostColorado Rockies relief pitcher German Marquez (67) warms up before practice during Spring Training at Salt River Fields at Talking Stick on Feb.