"All the teams that are there did well in their respective countries. That's Champions League football for you," Arendse told KickOff.com.
"So, it's still going to be a challenge. It’s going to be difficult. MC Alger also have different ambitions. So, whether Rulani knows the Sundowns players, it doesn't really matter because Miguel Cardoso has his own approach.
"Rulani might know the Sundowns personnel, but in terms of instructions on the day, things might change. It depends on who wants the Champions League more on that day," added the former Santos man.
"From what I see, Sundowns would want it more. It's something they’ve been chasing for the past 10 years. They need to push through.”