| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate | 
| 2025 proj | 7 | 8 | 0 | 0 | 125.0 | 119 | 45 | 127 | 62 | 4.46 | 1.312 | 16.3 | 
| 2025 | 10 | 4 | 0 | 0 | 145.0 | 131 | 56 | 121 | 55 | 3.41 | 1.290 | 50.6 | 
| 2023 | 8 | 15 | 0 | 0 | 184.3 | 170 | 73 | 204 | 102 | 4.98 | 1.318 | 9.6 | 
| 2022 | 11 | 9 | 0 | 0 | 161.7 | 171 | 61 | 177 | 88 | 4.90 | 1.435 | 12.3 | 
| Date | News | 
| 9/30/25 | Red Sox announce roster for wild-card series vs. Yankees.  As expected, Lucas Giolito was left off the roster amid elbow soreness. The post Red Sox announce roster for wild-card series vs. Yankees appeared first on Boston.com. Source: https://www.boston.com/sports/boston-red-sox/2025/...  | 
                        
| 9/29/25 | Red Sox pitcher Lucas Giolito to miss Wild Card Series vs. Yankees because of elbow injury. Boston Red Sox right-hander Lucas Giolito will miss the AL Wild Card Series because of an injured elbow. A 31-year-old right-hander, Giolito had been expected to start the third game of the best-of-three series on Thursday, following Garrett Crochet and Brayan Bello in Boston’s rotation. Red Sox manager Alex Cora says Giolito has gone to see Dr. Jeffrey Dugas at the Andrews Sports Medicine and Orthopaedic Center. Dugas repaired the ulnar collateral ligament in Giolito’s right elbow with internal brace surgery on March 12 last year. Source: https://www.chron.com/sports/article/red-sox-pitch...  | 
                        
| 9/06/25 | In thick of playoff race, Red Sox turn to Lucas Giolito against D-backs. The Boston Red Sox have built their playoff push on strong pitching, and they will count on one of the headliners -- resurgent right-hander Lucas Giolito -- when they face the Arizona Diamondbacks on Saturday in Phoenix. The Red Sox had two starters ranked among the top seven in ERA in the American League entering the weekend, left-hander Garrett Crochet and right-hander Brayan Bello. Source: https://www.reuters.com/sports/baseball/thick-play...  | 
                        
| 9/06/25 | Diamondbacks play the Red Sox after Perdomo's 4-hit game. Boston Red Sox (78-64, third in the AL East) vs. Arizona Diamondbacks (71-71, fourth in the NL West) Phoenix; Saturday, 8:10 p.m. EDT PITCHING PROBABLES: Red Sox: Lucas Giolito (10-2, 3.38 ERA, 1.23 WHIP, 105 strikeouts); Diamondbacks: Brandon Pfaadt (12-8, 5.33 ERA, 1.40 WHIP, 122 strikeouts) BOTTOM LINE: The Arizona Diamondbacks play the Boston Red Sox after Geraldo Perdomo had four hits on Friday in a 10-5 win over the Red Sox. Arizona is 71-71 overall and 37-33 in home games. The Diamondbacks have gone 39-20 in games when they hit at least two home runs. Boston has a 34-36 record in road games and a 78-64 record overall. The Red Sox have the seventh-best team on-base percentage in MLB play Source: https://www.winnipegfreepress.com/sports/baseball/...  | 
                        
| 8/31/25 | Lucas Giolito Praises Fenway Park 'Magic' After Red Sox Win. Lucas Giolito credited Boston Red Sox fans following another home win. The starting pitcher propelled Boston to a 5-2 victory over the Pittsburgh Pirates, working around five walks to allow one run over six innings. MassLive's Christopher Smith noted that Giolito is 5-0 with three earned runs relinquished over his last six outings at Fenway Park. “I just love pitching here,” Giolito said, per Smith. Source: https://nesn.com/2025/08/lucas-giolito-praises-fen...  | 
                        
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