Yves Bissouma has completed a move to Tottenham Hotspur, for an undisclosed fee.
Head coach Graham Potter said, “The transfer is a very good one for the club and player.
“Yves has shown his undoubted ability and been an important player during his time with us.
“Now he has a new challenge with Tottenham, including the opportunity to play Champions League football, and everyone at the club wishes him well.”
The 25-year-old Mali international brings an end to a four-year spell on the south coast.
Yves joined Albion from Lille in 2018, going onto make 124 appearances in all competitions, scoring on six occasions.
He made his Albion debut on the opening day of the 2018/19 season at Watford. He scored his first Premier League goal against Burnley on the final day of the 2019/20 campaign.
Last season he made 26 Premier League appearances, as we finished ninth in the top-tier – the highest position in the club’s history.