Jason Frasor is a former Major League Baseball pitcher who played for multiple teams during his career. He was born on August 9, 1977, in Chicago, Illinois, and attended Southern Illinois University. Frasor was drafted by the Detroit Tigers in the 33rd round of the 1995 MLB draft but did not sign with the team. Instead, he was drafted again in 1999 by the Los Angeles Dodgers in the 33rd round and signed with them.

Frasor made his MLB debut on July 6, 2004, with the Toronto Blue Jays. He spent the majority of his career with the Blue Jays, playing for them from 2004 to 2011 and again in 2014. During his time with the Blue Jays, Frasor was primarily used as a relief pitcher and had a career-high 11 saves in 2009. He was known for his fastball and slider pitches and was a reliable option out of the bullpen.

In 2011, Frasor was traded to the Chicago White Sox, where he played for the remainder of the season. He then signed with the Texas Rangers as a free agent in 2012 and played for them for two seasons. During his time with the Rangers, Frasor was part of the team that made it to the World Series in 2013 but lost to the Boston Red Sox.

Frasor was traded to the Kansas City Royals in 2014 and played for them for a short time before being traded back to the Blue Jays later that season. He retired from baseball after the 2015 season, finishing his career with a 3.49 ERA and 36 saves.

Throughout his career, Frasor was known for his consistency and durability. He appeared in over 600 games and pitched over 600 innings. He was also known for his leadership and was often called upon to mentor younger players.

Off the field, Frasor was involved in various charitable organizations, including the Jays Care Foundation and the Texas Rangers Baseball Foundation. He was also a member of the Major League Baseball Players Association and served as a player representative for the Blue Jays.

In conclusion, Jason Frasor had a successful career as a relief pitcher in Major League Baseball. He played for multiple teams and was known for his consistency, durability, and leadership. He retired in 2015 and has since been involved in various charitable organizations.