who threw the fastest pitch in major league baseball
Aroldis Chapman On July 11, 2014, Chapman broke the record, previously held by Bruce Sutter, for the most consecutive relief appearances with a strikeout, having struck out at least one batter in 40 consecutive appearances. Chapman's streak began on August 21, 2013,[2] and lasted 49 consecutive games over two seasons, with the 49th and final game being on August 13, 2014. He shares the record for the fastest recorded pitch speed in MLB history, at 105.1 miles per hour (169.1Â km/h),[3] as well as the Guinness World Record for fastest baseball pitch.[4]