https://www.fogolf.com/1177302/buchanan-digs-deep-to-lead-investec-sa-open-amateur-challenge/ Buchanan digs deep to lead Investec SA Open amateur challenge #CharlBarnard #DianKruger #Golf #GolfNews #InvestecSAOpen #InvestecSouthAfricanOpen #JackBuchanan #JuddSundelson #LoganLeisher #MatthewRossouw #SaOpen #StellenboschGolfClub