Think I'll either go for all 4, will see what offers are going, but my 4 for the green jacket are
Scheffler
Schauffele
Morikawa
Cantlay
As said not keen on Scheffler odds, even though I feel strongest on him, but there is a £10 with livescore which release £10 worth of free bets, so might use that on scheffler and then another (£5 any and £5 golf).