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.
In 2002 Armando Benitez matched Rob Nen's impressive pitch speed with a 102 MPH fastball of his own. Also like Nen, he was pitching in the closer's role for the Mets at the time of the pitch.is 104.8 MPH pitch while closing for the Tigers is proof of that, and one of the fastest pitches EVER recorded in a pro-game.