Milos Raonic was either one or two points from dropping each of the sets he eventually grabbed on the way to edging 2014 champion Stan Wawrinka 6-7 (4), 7-6 (6), 7-6 (11), 7-6 (5) in the Australian Open's second round
The Latest: Raonic edges 2014 champ Wawrinka at Australian
