Skipper Dane Vilas along with David Miller and Alex Hales will strengthen Heat's batting line-up.
Can the Heat open their account in MSL 2019 against the table-toppers?
Rain seems to be following these two teams everywhere.
Another abandoned game at the Kingsmead is on the cards with chances of heavy rain in the morning.
Rain is again expected to make its presence felt at the Kingsmead.
Last season, the Spartans lost both their matches against the Heat.
All the major stats and numbers record across the One-Day Cup games on Friday.
Jonathan Vandiar had a cramp while batting during the previous game that forced him to retire hurt.
Andile Phehlukwayo's recent performances make him a main pick as captain or vice-captain.
Zubayr Hamza has been released from the Test squad while Robbie Frylinck has caught up an injury.