Jayson Tatum’s oldest son nearly had a different name. The Boston Celtics superstar became a father in December 2017 after his son Deuce, now 8, was born. “I was 19 when Deuce was born, and that was the best thing that could have ever happened to me at 19,” Tatum told Crag Melvin on the May 12 episode of the TODAY co-anchor’s “Glass Half Full” podcast. The six-time NBA All-Star, who won a championship with the Celtics in 2024, said he didn’t pla…