Tennessee basketball on Saturday picked up its first commitment in the class of 2025, with four-star Alabama center Dewayne Brown picking the Vols over Mississippi State during an announcement on social media. Brown, listed at 6-foot-9, 235 pounds out of Hoover High School in Hoover, Ala., is ranked No. 109 overall in the On3 ratings. He’s the No. 16 center nationally and the No. 1 player in the state of Alabama. Four-star North Carolina point guard Bishop Boswell is currently the only signee in Tennessee’s 2024 class but on Thursday was joined by Hofstra transfer wing Darlinstone Dubar, who s…