A welterweight matchup between standouts Gilbert Burns and Neil Magny is expected UFC 283 on Jan. 21. Multiple people with knowledge of the promotion’s plans confirmed the planned fight to MMA Fighting following an initial report from ESPN.com. UFC 283 is expected to take place at Jeunesse Arena in Rio de Janeiro. The official bout order has not been released, though Burns vs. Magny is likely to be featured on the pay-per-view main card. Burns, a one-time title challenger, hoped to get a fight with two-time challenger Jorge Masvidal, whom he claimed turned down multiple offers to fight him. Masvidal…