2027 Baseball
Meet the Baseball coaching staff and explore each coach’s current role and biography.
Head Baseball Coach
Brian O'Connor, a 2024 Hall of Fame inductee and the all-time winningest coach at Virginia, was named the 19th head baseball coach in Mississippi State history on June 1, 2025. A proven winner with 917 career victories, seven College World Series appearances and a national title, O'Connor brings a championship résumé and national credibility to Starkville.
Full official bio
Associate Head Baseball Coach
Kevin McMullan is the associate head baseball coach on Mississippi State's current Baseball coaching staff.
Full official bio
Assistant Baseball Coach
Matt Kirby is the assistant baseball coach on Mississippi State's current Baseball coaching staff.
Full official bio
Assistant Baseball Coach
Justin Parker will continue with the Diamond Dawgs as the program's pitching coach, solidifying a key role on the Bulldogs' staff. Parker, who joined Mississippi State in 2024, has spent the past two seasons leading the Bulldogs' pitching staff and served as interim head coach for the final six weeks of the 2025 season.
Full official bio
