2017 Baseball Coaches
Bart Osborne Image
Bart Osborne
Head Coach - 14th Season
Alma Mater: Middle Tennessee State - 1991
Phone: 606.546.1355


  • Bart Osborne is heading into the his 14th season as the head coach of the Union College baseball program in 2017, and is the longest tenured head coach in the history of the program.
  • He took over the helm in July of 2003, making him the seventh person to hold the post since the sport was reinstated at the school in 1974.
  • Osborne has compiled a 477-214 record during his first 12 seasons at Union, which included a trio of 48-win seasons in 2006, 2008 and 2011 to set the program record for wins in a season.
  • The Bulldogs won over 40 games in five straight seasons from 2005-2009, and went over the 40-win plateau in six out of seven seasons from 2005-2011.
  • In addition, the Bulldogs have posted a 201-81 record in Appalachian Athletic Conference play under Osborne and won the 2006 Appalachian Athletic Conference Tournament as well as the regular-season championships in 2010 and 2011.
  • In all, Osborne has won over 30 games in season in each of his 12 seasons at the helm of the Bulldog baseball program, hitting the mark once again in 2014 after finishing with a 33-19 overall mark.
  • Union reached new heights in 2007 as it won the NAIA Region XII Tournament for the first time in program history and hosted the South Central Super Regional.
  • In 2008, Osborne took the Bulldogs even further as Union won its second NAIA Region XII championship in a row and won the NAIA South Central Super Regional to advance to the Avista-NAIA World Series for the first time in program history.
  • The Bulldogs went 1-2 at the 2008 NAIA World Series to place fifth.
  • In 2009, Union posted a 44-12 overall record and advanced to the NAIA Baseball National Championship Opening Round. The Bulldogs also participated in the NAIA Baseball National Championship Opening Round in 2010 and 2011.
  • During his tenure, Osborne has produced one NAIA First Team All-American and 13 NAIA All-American Honorable Mentions, 15 NAIA Region XII All-Region Team players, 38 First Team All-Conference selections, the 2006 Appalachian Athletic Conference Player and Freshman of the Year and the Appalachian Athletic Conference Pitcher of the Year in 2005, 2008, 2010 and 2011.
  • In addition, Union had a player named the NAIA Player of the Week in both 2006 and 2013, and a pitcher named the NAIA Pitcher of the Week twice in 2005.
  • The Bulldogs have placed 55 players on the Academic All-Conference Team, 11 have been named Daktronics-NAIA Scholar-Athletes, and six have earned spots on the CoSIDA Academic All-District Team. Also, three student-athletes have been named Academic All-Americans by CoSIDA, as well. 
  • Under Osborne, Union has also had two player to be drafted in the MLB First-Year Player Draft while several other Bulldogs played professionally.
  • Prior to coming to Union, Osborne spent the past six years as an assistant coach at Murray State University.
  • While there, Murray State made postseason tournament appearances every season and won the 2003 Ohio Valley Conference tournament championship. In addition, Murray State has produced 19 All-Conference team members, broken 16 offensive school records and raised it conference winning percentage from 39 percent to 51 percent.
  • Before coaching at Murray State, Osborne spent three seasons at Southeast Missouri State University as an assistant, was the head coach at Kirby High (Tenn.) School for two years and served as a graduate assistant at Delta State (Miss.) University for two seasons.
  • He received his Bachelor's degree from Middle Tennessee State University and his Master's from Delta State. Osborne played at Roane State (Tenn.) Community College, helping it win the state championship in 1987 and was the team captain in 1988.
  • Osborne is married, and he and his wife, Julie, have two daughters - Addison and Leanna, and a son - R.J.

Bart Osborne Year-by-Year

Year School Record Pct Notes

Union (Ky.)

29-24 .547  
2016 Union (Ky.) 29-27 .518  
2015 Union (Ky.) 33-19 .635  
2014 Union (Ky.) 34-20 .630  
2013 Union (Ky.) 30-23 .583  
2012 Union (Ky.) 35-21 .625  
2011 Union (Ky.) 48-12 .800 AAC Regular Season Championship; NAIA Baseball National Championship Opening Round Appearance
2010 Union (Ky.) 39-18 .684 AAC Regular Season Championship; NAIA Baseball National Championship Opening Round Appearance
2009 Union (Ky.) 44-12 .786 NAIA Baseball National Championship Opening Round Appearance
2008 Union (Ky.) 48-18 .727 NAIA Region XII Championship; NAIA South Central Super Regional Championship; NAIA World Series Appearance
2007 Union (Ky.) 46-17 .730 NAIA Region XII Championship
2006 Union (Ky.) 48-14 .774 AAC Tournament Championship
2005 Union (Ky.) 41-17 .707  
2004 Union (Ky.) 31-23 .574  

J.T. Thompson Image
J.T. Thompson
Assistant Coach - 6th Season
Alma Mater: Wittenberg University - 2009



  • J.T. Thompson returns to the Union College baseball coaching staff for the 2016 season, which will be his sixth overall in the program. This will be Thompson's second year as the head assistant for the Bulldogs.
  • Thompson retured to Barbourville in 2015 after a one season stint as an assistant at Indiana Tech in Fort Wayne, Indiana during the 2014 season.
  • In his lone season on staff, the Warriors finished with a 34-23-1 overall mark, and narrowly missed out on a Wolverine-Hoosier Athletic Conference Tournament Championship, falling in the Tournament Championship game.
  • Before his stint in Fort Wayne, Thompson served under Bart Osborne at Union for three seasons (2010-12).
  • The Bulldogs found success in those campaigns, winning an AAC Regular Season Championship in 2011, while advancing on to the NAIA National Championship Opening Round in both 2010 and 2011. 
  • During his stint at Union, Thompson also earned a Master of Arts degree, collecting the degree in 2012.
  • Prior to coming to Union, Thompson received his B.A. in management with a concentration in accounting from Wittenberg (Ohio) University in May of 2009.
  • While at Wittenberg, he was a four-year member of the baseball team, serving as a team captain his senior season. Playing shortstop and outfield, Thompson batted .302 during the 2009 season with two home runs, 20 runs scored and 20 RBIs.
  • Thompson also served as the head coach for the Northmon High School varsity summer baseball program in Springfield, Ohio, from 2005-08. During the three-year span at the helm, Thompson posted an 83-18 record and won the 2009 State ACME Championship.
  • Thompson, a native of Clayton, Ohio, now resides in Barbourville.
Jonathan Riddle Image
Jonathan Riddle
Assistant Coach - 5th Season
Alma Mater: Union College - 2012


  • Jonathan Riddle enters his fifth season as a member of the Union College baseball coaching staff.
  • Riddle was a five-year member of the Bulldogs as a catcher, playing for Union from 2008-12. For his career, he batted .292 with five doubles and 34 RBs. He threw out a total of 17 would-be base stealers and had a career fielding percentage of .984. 
  • In addition, Riddle was a member of three Union teams which advanced to the NAIA National Championship Opening Round.
  • Riddle is native of Eighty Eight, Ky.
Alex Guilford Image
Alex Guilford
Grad Assistant - 2nd Season
Alma Mater: Montevallo, 2015