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.
Cincinnati reliever Aroldis Chapman threw the 62 fastest pitches in the big leagues this season, according to Major League Baseball's new Statcast computer system. Chapman's fastest pitches ranged from 103.92 mph to 102.36 mph, MLB said after Sunday's regular-season finales. His fastest was fouled off by Minnesota's Brian Dozier on June 29. Nathan Eovaldi of the New York Yankees had the 63rd-fastest pitch at 102.35 mph, which Dozier took for a ball on Aug. 19.