Portland Trail Blazers forward Zach Collins will be out at least four months after surgery to repair his dislocated left shoulder, the team announced on Tuesday.
Collins sustained the injury during the fourth quarter of Portland's 121-119 victory in Dallas on October 27.
NBA Saturday Primetime on Sky Sports
Watch Celtics @ Spurs live on Sky Sports Arena on Saturday at 10pm
The optimistic timetable would have Collins returning with about a month left in the regular season.
Collins, who turns 22 later this month, was the 10th overall pick in the 2017 NBA Draft.
Nuggets @ T-Wolves free on Sky Sports
Watch Nuggets @ T-Wolves on Sunday at 8:30pm via free live stream on skysports.com, Sky Sports app and YouTube
He started Portland's first three games this season and averaged 9.0 points, 4.0 rebounds, 2.0 assists and 28.7 minutes.
Get NBA news on your phone
Want the latest NBA news, features and highlights on your phone? Find out more
Collins averaged 6.6 points, 4.2 rebounds and 17.6 minutes last season, appearing in 77 games off the bench.