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.
Fastest baseball pitch (male) Share. The fastest baseball pitch is 105.1 mph (169.14 km/h) and was thrown by Aroldis Chapman (Cuba) for the Cincinnati Reds in a game against the San Diego Padres, at PETCO Park, San Diego, California, USA, on 24 September 2010. All records listed on our website are current and up-to-date.