Adam Curtis Hamari (/ˈhɑ̝mɑ̝ri/; born May 25, 1983) is an American Major League Baseball (MLB) umpire.
Hamari began umpiring baseball for Little League teams at the age of 12.[1] Adam is a 2006 Graduate of the Jim Evans Academy of Professional Umpiring (JEAPU) He began umpiring Minor League Baseball games in 2006, and was promoted to the major leagues on a part-time basis in 2013. Hamari was one of four umpires named to the full-time staff in February 2017, upon the retirements of Jim Joyce, John Hirschbeck, Tim Welke, and Bob Davidson.[2]
Hamari was the plate umpire when Tim Lincecum of the San Francisco Giants threw his second career no-hitter on June 25, 2014.[3] He was also behind the plate when Derek Jeter of the New York Yankees hit a walk-off single in his final career home game on September 25, 2014.[4]