Thunder and Isaiah Hartenstein agree to 3-year, $75 million deal, AP source says

Isaiah Hartenstein has agreed to a three-year, $75 million contract to stay with the Oklahoma City Thunder, a person with knowledge of the negotiations told The Associated Press on Saturday.The person spoke to the AP on condition of anonymity because the team has not announced that the deal, first reported Friday night by ESPN, has been finalized.The 7-foot center has been a two-year starter for the Thunder, who have gone 88-16 in the past two regular seasons when he plays. He averaged 9.2 point