Jimmy Bullard, Peter Finch, Michael Campbell and Paul McGinley tee off in a free match-play opener at Chart Hills before the English Legends.
Michael Campbell shares the lead in Aberdeen after a 66, while three aces at the seventh provide a remarkable opening-round subplot.
James Kingston defends his OFX Irish Legends title at Carton House as the Staysure Legends Tour returns to Ireland.
Griffiths wins at Costa Navarino after ending a 68-round three-putt streak, with Drysdale and Clark Dennis chasing hard.