2017 Nitto ATP Finals runner-up David Goffin got off to a strong start to the clay-court season with a 6-2, 7-6(3) first-round victory against qualifier Damir Dzumhur. “It was not easy. I started very well getting an early break on the first one.The first set was really good, 6-2 with some good groundstrokes, with a good serve, very precise,” Goffin said. “The second set was a little bit more difficult. I started serving a little bit some double faults, some missed first serves, so he had a chance to get into the rally more …