Gloucester's Zach Mercer has been at the center of transfer speculation following repeated exclusions by England coach Steve Borthwick. Mercer sought to reignite his international career by returning to the Premiership after a successful period with Montpellier. Despite attending a training camp before the World Cup, he has been overshadowed by other players. Top 14 clubs are eager to bring him back to France, where he excelled and won the MVP award in the 2021/22 season. Despite interest from his former team, Bath, Mercer's current club, Gloucester, has placed a high price on him.

Toulon has shown interest in him, with their owner confirming this. Mercer's potential move to Toulon faces complications due to his existing contract with Gloucester. Toulon is also looking to add other players to their roster, with a center being a top priority. The club had reportedly targeted Andre Esterhuizen from Harlequins, but he opted to return to South Africa. The future of Duncan Paia'aua at Toulon remains uncertain due to his partner living in London.