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.
Joel ZUmaya threw the fastest pitch ever in a major league baseball game. He threw a fastball at 104. 8 miles per hour at McAfee Coliseum in Oakland on Tuesday, October 10, 2006. The Detroit Tigers were playing the Oakland Athletics in Game 1 of the 2006 American League Championship Series.