The 17-year-old Foster was promoted to Pirates’ first team in September and has so far played four league matches after making his debut against Maritzburg United in a goalless draw at Harry Gwala Stadium.
Ntuli can relate to the youngster's rise as he was coming through the ranks at Pirates when he was snapped up by Dutch side FC Twente at the age of 17 in 2013.
He was handed a bumper five-year deal by the club but they loaned him back to Pirates until he turned 18. However, when he turned 18 and moved to the Netherlands he found little joy and was released by the club last year in January without playing a single official match.
Recently, Foster attended trials at French giants Monaco and it is understood a move could be on the cards in the future.
The Discovery Walter Sisulu Challenge graduate was recently part of Thabo Senong’s Amajita side in Zambia for the COSAFA Under-20 Championships where he bagged a brace in the first game of the tournament against Mauritius.
“I saw some games and he’s a good player. If he comes from the hands of [Bucs development coach] Augusto Palacios he’s a good player,” Ntuli tells KickOff.com.
“I’ll say it again, when you get there in Europe you need to change your attitude with everything. I’m not only saying that to him but to any player. When you go there focus on football because you are there for football.
“With him, I can put money on him. Like Bernard Parker said to me, ‘those are people I’m working to get there from back in South Africa’. Parker put money on me that I’m going to be the best player and I’m still going to be the best player.
“So I’m saying to Foster, you’ll be the best player if you are focused, if you take care of family, if he knows his priorities.”
Ntuli adds: “You’ll make mistakes along the way because they are there but focus on football. Do what is best for you. Make mistakes but don’t make the mistake of coming back to South Africa when you are in Europe.”
Ntuli, who had a short stint at Free State Stars last season, has vowed to come back stronger following the mistakes of his youth and is drawing inspiration from the likes of boxing great Floyd Mayweather and rapper 50 Cent.