The 20-year-old could make his Glovers debut in the FA Cup tie with Bradford on Saturday after passing a medical.
Manager Darren Way told the club’s official website: “Jared’s a very good player with all the attributes I feel this club needs. I watched him against Millwall and Tottenham and felt he did very well.
“He’s a young player, but Paul Heckingbottom is someone I trust and he fits with what we’re trying to do here. I look forward to working with him.”
Southampton manager Mark Hughes was delighted to see his new side reach the FA Cup semi-finals but also warned that the Premier League remains a concern.
Borussia Dortmund winger Andre Schurrle was delighted with the team's hard-fought 1-0 Bundesliga victory over Hannover 96 on Sunday afternoon.
Chelsea defender Andreas Christensen has revealed that he sought advice from club legend John Terry after making a few costly mistakes recently.