Wits players like Xola Mlambo and Daine Klate started showboating in the closing stages as they saw out the victory at Mbombela Stadium, much to the delight of the crowd, even some Sundowns fans.
But Mosimane, whose players started losing their cool as they watched the Clever Boys players taunting them, believes Wits could have been professional about it.
“They played well, they deserve it, but I don't like the show and I spoke to Keagan [Dolly], I could see he was going to lose it,” Mosimane said in his post-match interview on SuperSport.
“We got 71 points [last season], we were 14-15 points ahead of Wits, we scored five there, four there, we were professional the whole year, we passed the ball around … we can [also] turn the show [but didn’t last season].
“A little bit not nice, that's not nice because Keagan lost it and I could see Ricardo [Nascimento] was going to lose it. I said guys, accept it, otherwise if we don't accept it we will be bad losers and all that, but I'm a little bit unhappy with that.”