As Mamelodi Sundowns gear up to begin a charge for the elusive CAF Champions League title, their immediate task will be to overcome a strong Mbabane Swallows.The two heavyweight sides will clash in the first of two matches in the second preliminary round at the Lucas Moripe Stadium in Atteridgeville tomorrow (8pm kick-off), with the return leg a week later at the same ground as the eSwatini club do not have a suitable venue at home.Masandawana, under the the new leadership pairing of Manqoba Mngqithi and Steve Khomphela, have been in and around the rampant Sundowns side that took the rest…