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.
Aroldis Chapman Delivers a Fastball for the Cincinnati Reds in 2010. If you are a fan of baseball at all, you have heard the name Aroldis Chapman. The reason that Aroldis Chapman is so well known is because of the way that he pitches. He was recorded throwing a fastball that reached 105 mph. This is the fastest pitch that has ever been recorded.