Jason William Simontacchi (born November 13, 1973 in Mountainview, CA) is an assistant pitching coordinator in the Kansas City Royals organization. He was the pitching coach for the Springfield Cardinals, the Double-A minor league affiliate of the St. Louis Cardinals from 2014–2018. He was starting pitcher for four years in Major League Baseball, from 2002–2004 and 2007. He pitched in the minors from 1996–1999 and from 2001–2004, in the organizations of the Kansas City Royals (1996-1997), Pittsburgh Pirates (1999), Minnesota Twins (2001), and St. Louis Cardinals (2002–2004), where he made his major league debut. He finished his pitching career in the independent leagues in 2008 and 2010.

He was pitcher of the year in 1998 for the independent Frontier League champions, the Springfield Capitals, going 10-2 with an ERA of 2.95. He also played in the Italian League in 2000, where he played well enough to make the roster for Italy at the 2000 Sydney Olympics.

(excerpted from Baseball Almanac, BR Bullpen & Wikipedia)