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.
Yankees flamethrower Aroldis Chapman ties his own record for fastest pitch ever. New York Yankees closer Aroldis Chapman doesn't try to deceive batters when he's on the mound. Hitters know what's coming. It's just trying to hit it that's both frustrating and frightening. Chapman's unmatched speed on the hill was on display Monday, when he tied his own record for fastest pitch in major league history -- touching 105 mph. It's another reminder why batters shouldn't dig in against Chapman, who locked down his 19th save this year.