Dimitrov Holds Off Young American McDonald
A dark horse candidate in Melbourne, Grigor Dimitrov got past a major test in the Australian Open second round on Wednesday, edging former NCAA Singles champion Mackenzie McDonald 4-6, 6-2, 6-4, 0-6, 8-6. A semifinalist here last year, Dimitrov used his experience to power through in the match’s final set by converting its only…

