University of Oregon - Baseball


Assistant Coach

Jason Dietrich, Collegiate Baseball's 2016 Pitching Coach of the Year, is in his second season serving as Oregon’s pitching coach and recruiting coordinator.

In his first season with the Ducks, two of Oregon’s pitchers received All-America honors. David Peterson became the first player in the modern era of Ducks’ baseball to be a consensus All-American. The eventual first-round draft pick of the New York Mets (20th overall) lowered his ERA from 3.63 to 2.51 under the tutelage of Dietrich, while also improving his strikeout-to-walk ratio from 2.03 as a sophomore to 9.33 as a junior. Closer Kenyon Yovan claimed a pair of All-America honors, while also being named a Freshman of the Year by Collegiate Baseball and a freshman All-American by five different organizations.

The Oregon pitching staff, as a whole, ranked in the top 12 in the country in three different categories. The Ducks were second in the nation in strikeout-to-walk ratio (3.25), while ranking 10th in walks allowed per nine innings and 12th in shutouts (7).

Dietrich joined the Ducks after spending four seasons (2013-16) at Cal State Fullerton where he led one of the premier pitching staffs in the country. The CSF pitching staff ranked among the nation’s best each of Dietrich’s four seasons with the Titans.

Cal State Fullerton led college baseball in one of four major pitching categories nine times in Dietrich’s four seasons. The Titans had the country’s best ERA (2.22) in 2016, while leading the nation in strikeout-to-walk ratio three times (2013, 2014 and 2015), WHIP twice (2013 and 2016) and fewest base on balls per nine innings three times (2013, 2014 and 2015).

In his four seasons at CSF, Dietrich’s pitching staff never finished with a team ERA higher than 2.89 or ranked lower the 11th in the country. In addition to the Titans’ Division I leading 2.22 ERA in 2016, Dietrich’s teams posted ERAs that ranked fourth in the country in 2013 (2.47), third in 2014 (2.24) and 11th in 2015 (2.89).

Dietrich’s pitching staffs at Cal State Fullerton also ranked no lower than third in strikeouts-to-walk ratio during his four seasons, while also ranking no worse than sixth in WHIP and seventh in base on balls per nine innings.

Before coaching at Fullerton, Dietrich spent five seasons (2008-12) at UC Irvine where he was the pitching coach during the final two. The Anteaters ranked 17th in both ERA and base on balls per nine innings in 2011, and were 36th in ERA and 11th in WHIP in 2012.

Dietrich began his coaching career as the pitching coach at Arcadia High School (1999-2001). He became a college pitching coach at Los Angeles City College in 2002 before moving to Irvine Valley College (2003-06) and Cal State Los Angeles (2007). 

Dietrich and his wife, Bibi, have a son, Dean, and a daughter, Leila.