"Starting with Lucas, it’s a big concern for all of us that he somehow finds a way to get a booking even when it was difficult for him to get a booking because the tackle that he made just on the line was very unnecessary," the 53-year-old stated.
"Sometimes you must know when you work with South Americans that they think differently, they give everything to the game which sometimes exposes them to such cautions.
"We are concerned. Personally, I had three or four one-on-one with him, and I really want him to understand. I think he has improved in some instances because he was very emotional before, but I think he’s improving now.
"I’m seeing a lot of progress, but I think there’s still a lot of work to do; even other members of the club are trying to assist players like Lucas," Mngqithi concluded.