By Frank Dalleres With first place in the championship – and $18m (£16.1m) – already sewn up by Dustin Johnson, interest in this weekend’s LIV Golf Invitational Jeddah is likely to centre on who can triumph in the last individual tournament of the series and, potentially, claim a lucrative podium bonus. Forty points are on offer to the winner at Royal Greens Golf and Country Club, along with the $4m (£3.6m) in prize money, meaning that more than dozen players are still in with a chance of snatching second or third place in the standings at the last counting event. Branden Grace currently occup…