Celtic squad and insists it was one of the most 'gutless' displays he's ever seen from the club.And he's accused the players of 'chucking it' during the defeat to Sparta Prague as they crashed to a 4-1 defeat at Celtic Park and reckons it could put Neil Lennon under huge pressure.The Hoops legend was fizzing with his old side as they struggled to get into the game and they're now sit bottom of the group, with just one point from their three games.Lukas Julis got a hat-trick for Sparta Prague and Celtic really struggled against their Czech opposition.It's now just one win in six games for Celtic as they struggle to hit any form in recent weeks.And Sutton didn't hold back as he said: "That was one of the most gutless displays I’ve ever seen.
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