DXM is also used recreationally. When exceeding label-specified maximum dosages, dextromethorphan acts as a dissociative anesthetic. Its mechanism of action is via multiple effects, including actions as a nonselective serotonin reuptake inhibitor and a sigma-1 receptor agonist.
Aroldis Chapman has thrown the fastest pitch ever recorded, but he has challengers for baseball's hottest heater in 2017. Ever since Aroldis Chapman delivered a 105 mph fastball to Tony Gwynn Jr., Chapman's name has been synonymous with velocity.
Add your answer. Steve Dalkowski, fastest pitcher of all time. I first heard of Steve Dalkowski a couple years ago from a dad on my baseball team, and the knucklehead who claims he could throw 120 mph reminded me of the story I found a couple years ago about him, so enjoy and tell me what you think.