Waa maxay koobka xirfadda ee golfka xirfadeed?
Horyaalka xirfadda ee Grand Slam waxaa la gaaraa marka ciyaaryahan xirfadle ah uu awoodo inuu ku guuleysto dhammaan horyaalada waaweyn ee golfka. Afarta tartan waa Masters Tournament, PGA Championship, US Open, iyo The Open Championship. Ma jiro ciyaaryahan ku guulaystay tartanka Grand Slam sanad gudihiis.