Romeo Langford, Grant Williams sign contracts

The Boston Celtics have signed rookies Romeo Langford and Grant Williams to rookie-scale contracts, per Keith Smith of Yahoo Sports and Jay King of The Athletic.

Langford has yet to play in the Summer League for the Celtics, but Williams has played well through 4 games.

The No. 14 pick from Indiana has not suited up due to a thumb injury sustained in college. He had surgery on it this off-season and has been seen in practice shooting with a ping-pong paddle on his left hand for stability.

Williams announced the signing with a video on his Instagram:

Photo courtesy of Andy Lyons, Getty Images.