ABU DHABI: With New York Knicks orange and Philadelphia 69ers blue splashed across the stands, fans streamed into Etihad Arena on Yas Island last October to watch two of the National Basketball Association’s most well-known franchises take center stage. The sell-out games were another sign of how far the NBA’s presence in Abu Dhabi and the region has spread, and that footprint expanded further this week when the league and the Department of Culture and Tourism Abu Dhabi confirmed a long-term renewal of their collaboration.