Millar Mills started his profession with Yorkshire Carnegie, adopted by a primary spell at Edinburgh and three years with Ealing Trailfinders.
He moved into the Premiership by becoming a member of Wasps in 2021 however was left with no membership once they went out of enterprise the next 12 months.
“His story is exclusive; after what occurred at Wasps, he bounced round and performed with the Barbarians, Bathtub and Edinburgh,” mentioned director of rugby Phil Dowson.
“To then discover a house with us, the place he felt comfy to be himself and felt comfy to place these performances out on the pitch, exhibits his character.
“We’ll hold pushing him to realize extra and, as with everybody in our squad, I need to make sure that we get the very best out of him.”