Brendan Rodgers admitted he regrets the “hurt” he caused Celtic supporters when he walked out for Leicester as he “guaranteed” he will see out the duration of his three-year contract this time round – unless he is sacked first.The Northern Irishman returned to take charge of the Parkhead club on Monday, almost four and a half years after leaving for the Foxes in a move that sparked a backlash from a significant number of Hoops fans who felt betrayed that he left midway through a season when the team were chasing a treble-treble.While many supporters have accepted Rodgers’ return to the club, the manager is hopeful he can win over those who still hold lingering resentment.