By Rich Jones Dustin Johnson scooped the $4 million top prize by winning LIV Golf Las Vegas \- and admitted he has “more drive and determination” after a tough 2023. Johnson finished fifth in last year’s individual points list and struggled to get in contention in the four majors. However, he’s off to a hot start this season and edged victory in the second LIV Golf event of the year. The big-hitting American was tied with Bryson DeChambeau entering the final day at The Las Vegas Country Club with Jon Rahm completing their marquee group. Johnson finished -1 in tough conditions to finish one sho…