The 20-year-old made 15 appearances for the U’s last season whilst on loan from Tottenham Hotspur and now the defender joins on a permanent deal.
Browsing: Cambridge United
The on-loan West Ham defender suffered an ankle injury that forced him to miss the last two games, and meant he returned to his parent club for treatment.
The 24-year-old, who signed on a free from Sky Bet League Two side Cambridge United in the summer, scored four times in his first 10 matches for Hearts this season before missing four months with injury.
Former Manchester United assistant Carlos Queiroz and ex-Cambridge United boss Herve Renard will look to navigate their respective nations out of a tricky group which includes Portugal and Spain