“I didn’t think much of it,” Raonic told the Tennis Channel. “I thought it was just tightness from the match, but this morning I woke up unable to walk properly and did quite extensive treatment with my team.
“We came down to the conclusion that it was a slight tear of the hamstring in my right leg.”
Sock’s second ATP title of the year followed his Auckland Open victory last month.
The 24-year-old American did not drop a set all week. He has an 11-1 record this year and is expected to rise to 18th in the world rankings on Monday.
(Reporting by Simon Evans in Miami; Editing by Andrew Both)
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