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.
Australian pacer Brett Lee is one of the fastest bowlers in the history of cricket. After Shoaib Akhtar and Tait, he is the fastest bowler in the world. His officially record fastest ball is of 160.8 kmph. He delivered his fastest delivery against New Zealand at Napier in 2002.