Tristan Thompson’s mother died suddenly Thursday of a heart attack, according to multiple reports.
Andrea Thompson died at her home in Toronto, according to reports.
The 2016 NBA champion flew to Toronto to be with his family, his ex-girlfriend Khloé Kardashian tagging along for his comfort.
Kardashian, who has two children with Tristan Thompson, had reached out to Andrea.
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Thompson won his only NBA title with the Cleveland Cavaliers in 2016 over the Golden State Warriors.
The 6-foot-9 forward is a free agent after spending last season with the Chicago Bulls and Indiana Pacers.
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He spent his first 10 seasons in Cleveland before stopping with the Boston Celtics and Sacramento Kings.