Addison, who has spent almost 10 years with the Sharks, has been in regular discussion with director of rugby Steve Diamond about an option the 25-year-old centre had in his contract to pursue his career in Ireland, with the centre having Irish qualification through his family.
Sale Sharks can confirm @WillAddisonB3 will leave the club at the end of the season, to fulfil his international ambitions in Ireland.☘
We wish Will all the best with his move. #SharksFamily🦈
— Sale Sharks🦈 (@SaleSharksRugby) March 30, 2018
Following those talks, Will has decided that he will stand a better chance of achieving his ambition of playing international rugby by moving to the Pro 14 side.
A product of the Sale Academy, the former England Under-20s star made his first-team debut for the Sharks in 2011 and has gone to make more than 100 appearances for the club, scoring over 150 points, and he was appointed Club Captain for the 2017/18 campaign.
Commenting on the news, Sale Sharks director of rugby Steve Diamond said: “It has been a pleasure to work with Will. He has captained the side this season and the enthusiasm and desire he brings will be missed.
“We all wish him well in his desire to play international rugby.”