This was reported by informed sources close to the situation.
Australian Jack Della Maddalena, 27, is riding a six-fight win streak in the UFC, most recently winning a split decision over Kevin Holland this past September.
Gilbert Burns, 37, will return to the octagon after losing a five-round unanimous decision to Belal Muhammad in May of this year. Prior to that, the Brazilian finished Neil Magny by arm-triangle choke and won a unanimous decision over Jorge Masvidal, thus closing out a loss to Khamzat Chimaev.
Gilbert Burns and Jack Della Maddalena are currently ranked fourth and eleventh in the UFC welterweight division rankings, respectively.