Made 44 career relief appearances in two seasons (2025, 2026) at LSU, recording no decisions and a 4.50 ERA in 46.0 innings with 38 walks and 57 strikeouts.
2026 Season
• Made 20 relief appearances, posting no decisions and a 4.22 ERA in 21.1 innings with 19 walks and 28 strikeouts
• Pitched 2.0 scoreless innings vs. Kentucky (March 27) with one hit, no walks and three strikeouts
• Recorded a season-high four strikeouts at UL Lafayette (March 4) in 1.2 innings of work
2025 Season
• Made a team-high 24 relief appearances on the mound as a true freshman, posting no decisions and a 4.74 ERA in 24.2 innings with 19 walks, 29 strikeouts and a .237 opponent batting average
• Pitched 1.0 scoreless inning vs. West Virginia in Game 1 of NCAA Super Regional (June 7), allowing one hit with no walks and one K
•Worked 1.0 scoreless inning vs. Little Rock in opening game of NCAA Regional (May 30), allowing no hits and no walks with two Ks
• Fired 1.2 scoreless relief innings at Texas A&M (May 3) with no hits, one walk and four strikeouts
• Dominant 2.2-inning relief effort vs. McNeese (April 15), allowing no runs on one hit with no walks and six strikeouts
• Pitched 2.0 relief innings in SEC debut vs. Missouri (March 16), allowing one run on no hits with one walk and one strikeout
• Fired 1.0 scoreless inning in collegiate debut (Feb. 15) vs. Purdue Fort Wayne, allowing no hits with two strikeouts
High School
• Rated No. 36 among the 2025 Perfect Game Top 75 College Freshmen
• Ranked as the No. 1 high school player in the state of Massachusetts by Perfect Game
• Nephew of Detroit Tigers RHP Alex Cobb, who has also pitched for the Rays, Orioles, Angels, Giants and Guardians during a 13-year big-league career
• Participated in the MLB Draft Scouting Combine and played in the Futures Collegiate Baseball League
Personal
Full name is Mavrick John Rizy … born December 16, 2004, in Worcester, Mass. … mother, Kelly Rizy, is the Director of Health Services at Worcester (Mass.) Academy … has one older brother, Kyle, who plays college baseball at Bryant University … Mavrick is a nephew of Detroit Tigers RHP Alex Cobb, who has also pitched for the Rays, Orioles, Angels, Giants and Guardians during a 13-year big-league career … Mavrick is a product of Worcester Academy, where he also played forward for the basketball team … one of his hobbies is woodworking … majoring in sport administration at LSU.
Rizy’s LSU Career Highs
Innings: 2.2 vs. McNeese (4/15/25)
Strikeouts: 6 vs. McNeese (4/15/25)
Hits Allowed: 4 at Mississippi State (4/26/26)
Runs: 3 three times; most recently vs. Arkansas (5/10/25)
Earned Runs: 3 twice; most recently vs. Arkansas (5/10/25)
Walks: 4 vs. Florida (5/14/26)