Ongama GcwabeKWENA Maphaka, 18-years-old, has been added to the Proteas Test squad ahead of the second Test match at St George’s Park against Sri Lanka.The left-arm fast bowler has replaced 24-year-old quick Gerald Coetzee, who felt discomfort in the groin area in the fourth innings of the first Test at Kingsmead Stadium last week.Maphaka, following his figures of 3/24 and 3/54 against the Warriors in the CSA 4-Day Series at the Wanderers last week, will potentially make his Test debut in the same ground he made his first class debut for the Lions, and in the same ground where greats of…