“I don’t care,” Arne Engels tells his critics. “I’m here to perform and to get better”

Arne Engels is set to make his 50th appearance for Celtic this weekend at Tannadice after helping Celtic reach the Scottish Cup Final on Sunday afternoon with an emphatic 5-0 win over St Johnstone at Hampden Park Celtic paid Bundesliga side FCAugsburg £11m for the midfielder, an investment for the long term, and it’s certainly...