| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate | 
| 2025 proj | 0 | 0 | 0 | 0 | 8.0 | 4 | 5 | 8 | 2 | 2.25 | 1.125 | 3.4 | 
| 2025 | 0 | 3 | 0 | 0 | 26.0 | 32 | 11 | 23 | 25 | 8.65 | 1.654 | -19.9 | 
| 2024 | 0 | 0 | 0 | 0 | 8.0 | 4 | 5 | 8 | 2 | 2.25 | 1.125 | 4.0 | 
| Date | News | 
| 6/24/25 | One Miami Marlins Pitcher is Already on The Move. The Miami Marlins are expected to move at least one pitcher before the MLB trade deadline, but guess what? One of their arms is already on the move. The Marlins designated right-hander Connor Gillispie last week, and now, he has been claimed off waivers by the Minnesota Twins , via Bobby Nightengale of The Minneapolis Star Tribune. Gillispie made six starts for Miami in 2025 and posted nightmarish results, going 0-3 with an 8.65 ERA while allowing 32 hits and registering 23 strikeouts over 26 innings of work. He registered a 5.69 FIP and 1.654 WHIP. The Marlins initially selected Gillispie off waivers from the Atlanta Braves back in January, and he ultimately made Miami's roster as a result of Source: https://www.si.com/mlb/marlins/one-miami-marlins-p...  | 
                        
| 6/23/25 | MN Twins Fill Out 40-Man Roster with Another Waiver Claim. The Minnesota Twins have claimed right-handed pitcher Connor Gillispie off waivers from the Miami Marlins. Source: https://sports.yahoo.com/article/mn-twins-fill-40-...  | 
                        
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