The France international is believed to be keen on leaving St Mary's to reunite with his former manager at White Hart Lane, but Southampton boss Ronald Koeman has reiterated that the midfielder is not for sale.
"I don't want to speak about a player at another club," Pochettino said in today's press conference. "We have an unbelievable squad. The club had a big investment last season. The most important thing is to develop our players."