OBAKENG MELETSEThe Proteas’ ploy to select the extra batsmen could prove to be a master stroke that could lessen a lot of responsibility on the broad shoulders of speedster Kagiso Rabada, as he continues to enhance his reputation as one of the greats to represent South Africa in the format.At just 29 years old, the Johannesburg-born fast bowler has already picked up a mammoth 294 Test wickets across a career that has spanned 63 matches, and he hot on the heels of both Morne Morkel (309) and Allan Donald (330).The Proteas went into the first Test match against the West Indies in Trinidad…