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.
What is the average pitch speed for mens fast pitch softball? 110 mph? No, probably not.     Most of the top men's pitchers throw in the 80's. There have been some studies done, though, showing that a 85 mph fastpitch is like a â¦100 mph baseball pitch in terms of reaction time the hitter has.     Remember in baseball, the pitcher is 60' 6 from home plate.