Dexter Jackson has some of the most inspiring posing of the Arnold Classic 2018.br br Dexter Jackson was one of the top contenders to win the Arnold Classic 2018 - and it was a close fight between him and William Bonac. But while Dexter's physique might not have had just the right amount of perfection to beat out Bonac... he did have one of the best posing routines of the weekend. Dexter brings class back to posing - and it's all too apparent from Saturday night's finals posing routine.