Simon Rosselli knew he had a good throw left in the tank.
He had it Saturday, too, when he nearly stepped out of the ring to scratch his auto-qualifying first throw, but his coach yelled and convinced him to save it for Sunday.
For a while in the final, it appeared he’d emptied his tank. After tossing a personal-best 63.32m to lead the men’s discus field through the first round, he watched as four throwers surpassed him from a field which ended with six personal-best marks…