Black signed a training camp contract with the Nuggets on Thursday, Priority Sports reports.
The 29-year-old big man hasn't seen NBA action since 2017-18 with the Rockets, where he averaged 3.5 points and 3.2 rebounds in 10.5 minutes. Last season, he played overseas with Zenit Saint Petersburg. In Euroleague play, he averaged 5.2 points and 3.5 rebounds in 14.8 minutes.