 But it's Grayson Rodriguez on the hill tonight for a 9-40 first pitch against the Mariners. Two weeks after winning the NBA championship, the Boston Celtics ownership group announced they plan to sell a majority stake in the franchise. It's either this year or early next year. Also, the Boston Celtics also agreed to the largest contract in NBA history. They're extending star forward Jason Tatum. It's a five-year deal worth up to $314 million.