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Chris McMullen
Head Baseball Coach
Coach Chris McMullen played baseball at Mansfield High School, graduating in 2005. He was a pitcher at Cisco Junior College in 2006 and Dallas Baptist University from 2008-2009 seasons. After graduation, Coach McMullen coached freshman and varsity baseball at Arlington High School. At 28 years old, he was hired in 2015 as the head baseball coach at Mansfield Legacy High School, where he coached for 8 seasons with a record of 192-67. His teams made the playoffs all 8 years, finished 1st place for 6 consecutive seasons, and won 4 district championships.
He has been named District Coach of the Year 3 times. In 2022, Coach McMullen led Mansfield Legacy to the 5A state tournament for the 1st time in program history. That same year, Coach McMullen was awarded Coach of the Year by the Dallas Morning News.
Coach McMullen started coaching at Colleyville Heritage High School in 2024. In his 1st season at the helm he helped end a 3 year playoff drought, had 6 players receive All-District Selections, 1 player receive an All-State selection and had the Panthers reach the 2nd round of the playoffs for the first time since 2019. During the 2024 season, Coach McMullen recorded his 200th win.
In 2025, Colleyville Heritage continued their success, starting the preseason with a ranking of #11 in the state. The Panthers went 12-2 in district play and advanced to the Regional Finals – their furthest since 2019. Coach McMullen had 6 players receive All-District Selections and 1 player receive an All-State selection for the 2nd consecutive year. The Panthers ended the season with a state ranking of #4.
Entering 2027, Coach McMullen will begin his 4th season as the head coach of Colleyville Heritage.
He teaches Algebra 1 and is married to his wife Kalee and has 2 children, Jack (8) and Beau (5).
Contact Coach McMullen at: christopher.mcmullen@gcisd.net
Derrick Clement
Varsity Assistant
Coach Derrick Clement graduated from Keller Central High School in 2015 where he played both football and baseball. He continued his baseball and academic career at Southwestern Assemblies of God University (SAGU), where he was a four year scholarship player and graduated with his Secondary Education Degree.
After graduation Coach Clement started his teaching and coaching career at Molina High School in Dallas, Texas. At Molina Coach Clement was a part of two back to back district championship seasons in the 2021 and 2022. In the fall of 2022 Coach Clement transitioned to Brewer High School where he served as the assistant head baseball coach for two years and the varsity running backs coach for the 2023 football season.
Coach Clement came to Colleyville Heritage in 2025. He coaches 1B and leads the outfielders and baserunning. In 2025, Coach Clement made an immediate impact helping the Panthers increase their stolen base total from 85 in 2024 to 118 in 2025. This helped the Panthers to a 23-14 record and reach the Regional Finals for the first time since 2019. The Panthers finished the season with a state ranking of #4.
In 2027, Coach Clement will be entering his 3rd season with Colleyville Heritage.
Coach Clement and his wife, Kyla, welcomed their first baby boy, Noah, spring of 2026.
Jon Pavliska
JV Head Coach
Coach Jon Pavliska "Coach Pav" graduated from Arlington Lamar High School in 1995 where he played 3 years of football and baseball. He graduated from the University of North Texas with a Bachelor of Science degree in Kinesiology. Before coming to Colleyville Heritage, Coach Pav was the Head Baseball coach at Arlington Oakridge for 8 years.
Coach Pav came to Colleyville Heritage in 2012 and is the head coach for the JV team.
Coach Pav is married to his wife Jeanie and has two children, Kallin (15) and Kinsler (10).
Nick Uremovich
Freshmen Head Coach
Coach Nick Uremovich graduated from Colleyville Heritage in 2011, playing football and baseball for the Panthers. Coach Uremovich attended North Lake College for one year, then graduated from Kansas State University in 2015. Coach Uremovich got his degree in Secondary Education with certifications in English and Journalism. Previously, Coach Uremovich spent one year at Creekview Middle School, followed by two years at Boswell High School. Along with coaching the freshman baseball team, he is an assistant offensive line coach with the football program and a teacher in the English department.
Coach Uremovich came to Colleyville Heritage High School in 2020.
He has been married to his wife, Caitlin, since January of 2021.