Sources: Knicks' Mitchell Robinson has broken pinkie finger - ESPN

New York Knicks center Mitchell Robinson has suffered a broken right pinkie finger ahead of the NBA Finals, sources told ESPN's Shams Charania on Thursday.

There is no timetable for Robinson's return, sources said.

The Knicks had returned to practice Thursday, three days after they finished a four-game sweep of the Cavaliers in Cleveland to reach the NBA Finals for the first time since 1999. Robinson played 18 minutes in that game, collecting eight points and 10 rebounds.

New York will play the winner of the Oklahoma City Thunder-San Antonio Spurs Western Conference finals series in the NBA Finals, which tip off Wednesday.

Robinson averaged 5.7 points, 8.8 rebounds and 1.2 blocks in 19.6 minutes during the regular season.

He's averaging 5.3 points, 5.5 rebounds and .6 blocks in 14.2 minutes in the playoffs, with his role off the bench and someone who can fill in if fellow big man Karl-Anthony Towns gets into foul trouble. On the offensive end, the 7-foot Robinson has been the subject of fouling from opponents because of his issues at the free throw line, where he's 13 of 43 (30.2%).

Information from The Associated Press was used in this report.