Kyrie Irving is back with the Dallas Mavericks. The 31-year-old All-Star has agreed to a three-year, $126 million contract with a player option for the 2025-26 season, a person familiar with the negotiations confirmed Friday. The deal ended Irving’s unrestricted free agency less than an hour into the negotiating period and restored his spot as co-star to Luka Doncic. Advertisement NBA rules prohibit teams and players from officially signing and announcing new contracts until the free agency moratorium lifts Thursday. Advertisement The Mavericks could’ve offered Irving a new contract of up to five years and $272 million because they held...