McGregor: We need to stick together and get back to winning ways

Callum McGregor made a welcome return to the Celtic starting XI on Thursday night, but it was a disappointing 90 minutes for the Hoops skipper and his team-mates as they lost 4-0 to Bayer Leverkusen on matchday two of the Europa League. The German side scored two goals in either half to record what was a convincing victory, while Celtic created as many chances as their opponents in the course of the game without being able to convert any of them into goals...