Mooney signed a 10-day contract with the Knicks on Monday, Shams Charania of The Athletic reports.
Mooney spent time with the Mexico City Capitanes of the G League to begin the season, and he averaged 15.0 points, 6.4 assists and 4.3 rebounds in 32.9 minutes per game. He'll serve as additional depth for the shorthanded Knicks.