Though he struggled offensively and suffered a horrific back injury last season, McCaw's length and defensive prowess are what earned him minutes on the Warriors in his first two seasons. The person spoke on condition of anonymity because no details of the probe have been revealed publicly.
Cleveland made the 2018 National Basketball Association champion an offer, but the Warriors refused to match it, leading McCaw to sign a non-guaranteed deal with the Cavaliers.
The New York Times first reported that the National Basketball Association was reviewing the matter.
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FEMA did not immediately have a comment for the record when asked by The Daily Caller News Foundation. Another 40 percent is held by companies, Native American tribes or families.
As a restricted free agent, the Warriors had the option of matching the Cavs' offer sheet for McCaw, but they chose not to.
How long the league's review will take has not been determined, nor is it clear what the Warriors might be seeking.
McCaw reportedly didn't want to play for Golden State anymore because he wanted a bigger role on offense. "I don't know that there's been a totally non-guaranteed offer sheet before".
This is just the start of the Cavs' alibi for signing McCaw and then waiving him Sunday, a day before they would have had to pay him $3 million for the season.
Now, the 23-year-old is an unrestricted free agent.