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Scott William Mathieson (born February 27, 1984) is a Canadian former professional baseball pitcher. He most famously plated for the Yomiuri Giants of Nippon Professional Baseball (NPB).

Scott Mathieson
Scott Mathieson 20120513.jpg
Mathieson with the Yomiuri Giants
Born: (1984-02-27) February 27, 1984 (age 35)
Vancouver, British Columbia, Canada
Bats: Right Throws: Right
Professional debut
MLB: June 17, 2006, for the Philadelphia Phillies
NPB: April 18, 2012, for the Yomiuri Giants
MLB statistics
Win–loss record1–4
Earned run average6.75
NPB statistics
(through 2019 season)
Win–loss record27–29
Earned run average2.46


Philadelphia PhilliesEdit

While playing for the Langley Blaze of the B.C. Premier Baseball League, Mathieson was drafted in the 17th round of the 2002 Major League Baseball draft – 509th overall – by the Phillies.[1] He made his professional debut in the Gulf Coast League (GCL), going 0–2 with an earned run average of 5.40 in seven games. In 2003, he went 2–7 with a 5.52 ERA in the GCL. That year, he also pitched six perfect innings in one game for the Batavia Muckdogs of the New York–Penn League, including 7 strikeouts. In 2004, he pitched for the Lakewood BlueClaws of the South Atlantic League, going 8–9 with an ERA of 4.32 and 112 strikeouts. In 2005, he continued to show improvement. Although he went 3–8 for the Clearwater Threshers of the FSL, he had an ERA of 4.14, 118 strikeouts, and only 34 walks in 121​23 innings. During the season, he also pitched in the All-Star Futures Game for the World team. After the season, he was named by Baseball America as the Phillies' fourth-best prospect and the organization's best right-handed pitching prospect.

Mathieson made his major league debut June 17, 2006, losing to the Tampa Bay Devil Rays, 7–2. Matheison suffered an elbow injury September 2 that required Tommy John surgery.

Mathieson began a rehabilitation program late in the 2007 season, but removed himself from a game August 31 while pitching for Double-A Reading when he felt "a strange sensation in his elbow."[2] The Phillies announced September 4 that Mathieson would not return during 2007 due to inflammation of the ulnar nerve.[3] Mathieson was scheduled to play in the 2007 Arizona Fall League with the Peoria Saguaros, but didn't.[4]

As of 2009, Mathieson was pitching for the GCL Phillies in his effort to return to the major leagues.[5]

On June 17, 2010, Mathieson was recalled from the Lehigh Valley IronPigs to the Philadelphia Phillies,[6] where he remained for several weeks. He also spent parts of the 2011 season with the club in addition to his time with Lehigh Valley.

In November 2011, Mathieson was released from the Phillies to pursue pitching opportunities in Asia.[7]

Yomiuri GiantsEdit

On December 2, 2011, he signed with the Yomiuri Giants of the Nippon Professional Baseball (NPB).[8]

With the conclusion of the 2016 NPB season, his fifth year in Japan with the Yomiuri Giants, Mathieson had appeared in 300 games as a relief pitcher, compiling a 21-20 record with 2.32 ERA and 43 saves. He has 353 strikeouts and a 1.08 WHIP overall in NPB.

International careerEdit


  1. ^ Canada. "Sports – The Globe and Mail". Retrieved 2010-09-05.
  2. ^ delawareonline ¦ The News Journal, Wilmington, Del. ¦ The article requested can not be found! Please refresh your browser or go back. (BL,20070902,SPORTS01,709020395,AR) Archived September 30, 2007, at the Wayback Machine
  3. ^ Ken Mandel (2007-08-28). "The Official Site of The Philadelphia Phillies: News: Notes: Hamels' return up in the air". Retrieved 2010-09-05.
  4. ^ "The Official Site of The Philadelphia Phillies: Official Info: Phillies Minor Leaguers' fall schedule". Retrieved 2010-09-05.
  5. ^ Hagen, Paul (2009-07-08). "Phillies former prospect Mathieson slowly making way back". Philadelphia Daily News. Archived from the original on July 11, 2009. Retrieved 2009-07-08.
  6. ^ [1][dead link]
  7. ^ Zolecki, Todd (November 29, 2011). "Phils allow Mathieson to pursue pitching in Asia". Retrieved October 26, 2015.
  8. ^ "Scott Mathieson headed to Japan". Associated Press. 2 December 2011. Retrieved 5 December 2011.
  9. ^ "Baseball Canada reveals 2019 WBSC Premier12® roster". Baseball Canada. October 8, 2019. Retrieved October 13, 2019.

External linksEdit