|Born:August 13, 1980|
|Batted: Right||Threw: Right|
|June 21, 2005 for the Kansas City Royals|
|Last MLB appearance|
|August 3, 2007 for the Pittsburgh Pirates|
|Earned run average||6.75|
Jonah James Bayliss (born August 13, 1980) is a former American professional baseball relief pitcher. He is an alumnus of Trinity College in Hartford, Connecticut, and Lawrence Academy at Groton in Groton, Massachusetts.
Kansas City Royals
Bayliss was originally a seventh-round draft pick of the Kansas City Royals in 2002, and he made his major league debut with that team on June 21, 2005. Bayliss pitched 112⁄3 innings in relief for the Royals that year.
On March 28, 2008, the Pittsburgh Pirates designated Bayliss for assignment. According to Pirates manager Neal Huntington, "Bayliss is the type of player that teams should be looking for on the waiver wire. He has good stuff, but has struggled with control. If he can figure that out, he can be a very solid reliever."
Toronto Blue Jays
Bayliss did not make the Toronto Blue Jays 40-man roster and started the 2009 season with the Triple A Las Vegas 51s.
Saitma Seibu Lions
On July 28, 2009, Bayliss was released by the Blue Jays so that he could sign with The Saitama Seibu Lions of the Japan Pacific League.
On February 1, 2010, Bayliss was re-signed as a free agent by the Blue Jays. but he was released on March 31 and subsequently signed by the Houston Astros. He played for Triple-A Round Rock in 2010, and posted a 3.58 ERA.
Tampa Bay Rays
On December 15, 2010, Bayliss got out of Free Agency and the Tampa Bay Rays inked him to a minor league deal. The Rays released him on March 24, 2011.
Jonah is currently a personal pitching coach and owner at the A1 pitching academy in Adams, MA