DALLAS The concourse of Dirk Nowitzki's old home arena displayed memorabilia from the franchise icon's career as the Dallas Mavericks prepared for a ceremony to retire his No. 41 after a game against Stephen Curry and Golden State. The Mavericks were honoring Nowitzki on Wednesday night, nearly three years after he announced his retirement on the court at the American Airlines Center after the final home game of the 2018-19 season. The 43-year-old Nowitzki played a record 21 seasons with the same franchise, beating the late Kobe Bryant's previous mark of 20 with the Los Angeles Lakers.