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 throws 105 mph to tie his own record for the fastest MLB pitch. Itâs tough to think of a worse experience for MLB hitters than facing Aroldis Chapman. He consistently throws over 100 mph and brings a slider in the 90s. Expect to see speed and a lot of it.