Marreese Speights came off the bench for 12 points and six rebounds in just 18 minutes on Tuesday.
Marreese Speights played just 16 minutes, but hit 7-of-14 shots on his way to season highs of 16 points and nine rebounds.
The Warriors have agreed on a three-year deal with free agent Marreese Speights.
Marreese Speights has declined his $4.5 million player option with the Cavs and will become a free agent.
The Cavs are hoping Marreese Speights opts out of his contract, according to the News-Herald.
Marreese Speights had 16 points on 7-of-13 shooting, 10 rebounds and one steal vs. Brooklyn, tying Kyrie Irving for the team lead in scoring.
Marreese Speights was hot on Monday and matched his career high with 23 points, adding eight boards, two assists, one steal and one block on 11-of-15 shooting in 25 minutes against the Hawks.
Marreese Speights had 13 points, six rebounds, a steal and a block in just 17 minutes on Wednesday.
Marreese Speights was ejected for his flagrant-2 foul on Monday.
Marreese Speights scored a combined two points in Cleveland's past two games, but he had 19 points, seven rebounds and four blocks in 23 minutes vs. the Spurs on Saturday.
Marreese Speights missed all five of his shots on Tuesday, finishing without a point and six rebounds in just 15 minutes of the win over Washington.
Marreese Speights will reportedly opt out of his contract after the season.
Marreese Speights, who blew up for 23 points on Monday in the absence of Tyler Zeller, returned to the bench and still managed 14 points, seven boards and a block in just 18 minutes, as Zeller returned to the starting lineup on Wednesday.
Coach Byron Scott said he was not impressed with Marreese Speights despite Monday's 23-point outburst.