2:55 PM - Lucas Giolito (BOS) (elbow) declined the player side of his $19 mutual option for 2026 on Monday, Alex Speier of the Boston Globe reports.

3:12 PM - Lucas Giolito (BOS) Sox manager Alex Cora said Tuesday that while Giolito's right elbow injury is not as bad as the team feared it might be, the hurler is unlikely to be available at any point during the postseason, Tim Healey of The Boston Globe reports.

2:56 PM - Lucas Giolito (BOS) Sox manager Alex Cora said Monday that Giolito is dealing with a right elbow injury and will not be on the team's American League Wild Card Series roster against the Yankees, Gabrielle Starr of the Boston Herald reports.

10:07 AM - Lucas Giolito (BOS) came away with a no-decision Tuesday, allowing one run on three hits and four walks over 4.2 innings in a 4-1 win over the Blue Jays. He struck out three.

9:51 AM - Lucas Giolito (BOS) (10-4) took the loss Friday versus the Yankees after giving up two runs (one earned) on five hits and a walk while striking out six batters across 5.2 innings.

4:30 PM - Lucas Giolito (BOS) (10-2) earned the win Sunday over the Pirates, allowing a run on three hits and five walks over six innings. He struck out six.

8:36 AM - Lucas Giolito (BOS) (9-2) picked up the win Tuesday, allowing four hits and a walk over eight scoreless innings in a 5-0 victory over the Orioles. He struck out eight.

9:12 AM - Lucas Giolito (BOS) didn't factor into the decision in Friday's 2-1 win over the Marlins, allowing one run on seven hits and one walk over 6.1 innings. He struck out five.

5:25 PM - Lucas Giolito (BOS) (8-2) earned the win Sunday over the Astros, allowing one run on three hits and a walk over eight innings. He struck out four.

5:51 PM - Lucas Giolito (BOS) (6-2) took the loss in Friday's 4-1 defeat against the Cubs, allowing four runs on five hits and two walks across 5.1 innings while recording six strikeouts.

1:56 PM - Lucas Giolito (BOS) (5-1) earned the win against the Nationals on Friday, allowing one run on four hits and three walks with seven strikeouts over 7.2 innings.

7:16 PM - Lucas Giolito (BOS) (4-1) earned the win against the Blue Jays on Saturday, allowing one unearned run on six hits and one walk while striking out five across seven innings.

7:07 PM - Lucas Giolito (BOS) took a no-decision in Sunday's 9-5 loss at San Francisco, allowing four runs (two earned) on four hits and two walks over six innings. He struck out five.

3:00 AM - Lucas Giolito (BOS) (3-1) earned the win over Seattle on Monday, allowing three hits and issuing one walk while striking out 10 batters over six scoreless innings.

9:08 AM - Lucas Giolito (BOS) (2-1) got the win Tuesday over the Rays, allowing one run (zero earned) on three hits and three walks while striking out four in six innings.

8:02 PM - Lucas Giolito (BOS) didn't factor into the decision in Wednesday's 11-9 win over the Angels, coughing up seven runs on eight hits and a walk over 1.2 innings. He struck out one.

7:10 PM - Lucas Giolito (BOS) won't pitch Friday, as the second game of Boston's doubleheader against the Red Sox was postponed due to rain.

2:36 PM - Lucas Giolito (BOS) will not pitch Thursday after Boston's game against Baltimore was postponed due to inclement weather.

3:52 PM - Lucas Giolito (BOS) Red Sox activated Giolito (hamstring) from the 15-day injured list Wednesday.

11:38 AM - Lucas Giolito (BOS) (hamstring) will start Wednesday's game against the Blue Jays, Christopher Smith of MassLive.com reports.

10:50 AM - Lucas Giolito (BOS) (hamstring) allowed three runs on three hits and six walks while striking out four over 4.2 innings for Triple-A Worcester on Friday.

4:28 PM - Lucas Giolito (BOS) Sox manager Alex Cora said Wednesday that Giolito (hamstring) is tentatively scheduled to make his season debut May 1 in Toronto, Jen McCaffrey of The Athletic reports.

10:14 AM - Lucas Giolito (BOS) (hamstring) struck out four and allowed three earned runs on six hits and no walks over five innings in his rehab start Sunday with Double-A Portland.

1:48 PM - Lucas Giolito (BOS) (hamstring) rehab appearance with Double-A Portland on Sunday is expected to be followed by at least one more minor-league outing, Christopher Smith of MassLive.com reports.

4:49 PM - Lucas Giolito (BOS) Sox manager Alex Cora indicated Monday that Giolito (hamstring) is likely to make two more rehab starts, Gabrielle Starr of the Boston Herald reports.

12:05 PM - Lucas Giolito (BOS) (hamstring) is scheduled to start Tuesday for Triple-A Worcester, Chris Cotillo of MassLive.com reports.

7:02 AM - Lucas Giolito (BOS) allowed one run on three hits and three walks while striking out three over 3.1 innings for Triple-A Worcester on Wednesday.

11:56 AM - Lucas Giolito (BOS) Sox manager Alex Cora said Thursday that Giolito (hamstring) is "not close" to rejoining the rotation, Alex Speier of the Boston Globe reports.

8:23 AM - Lucas Giolito (BOS) (hamstring) allowed one and one walk while striking out two over 2.1 scoreless innings in a rehab start for Triple-A Worcester.

2:22 PM - Lucas Giolito (BOS) (hamstring) is scheduled to make his first rehab start Wednesday with Triple-A Worcester, Christopher Smith of MassLive.com reports.

5:28 PM - Lucas Giolito (BOS) Sox manager Alex Cora said Saturday that Giolito (hamstring) threw a bullpen session Friday and could begin his rehab assignment with Triple-A Worcester in the coming week, Mac Cerullo of the Boston Herald reports.

1:13 PM - Lucas Giolito (BOS) Red Sox placed Giolito on the 15-day injured list Thursday with a left hamstring strain, Mac Cerullo of the Boston Herald reports.

11:44 AM - Lucas Giolito (BOS) Sox manager Alex Cora said Thursday that Giolito (hamstring) will open the season on the 15-day injured list, Julian McWilliams of The Boston Globe reports.

9:48 AM - Lucas Giolito (BOS) has been diagnosed with a low-grade left hamstring strain, Jen McCaffrey of The Athletic reports.

4:48 PM - Lucas Giolito (BOS) Alex Cora said Giolito (Hamstring) is scheduled to undergo an MRI on Wednesday, Ian Browne of MLB.com reports.

2:22 PM - Lucas Giolito (BOS) believes the left hamstring injury that forced him from Tuesday's outing against the Phillies to be "very minor," Mac Cerullo of the Boston Herald reports.

1:49 PM - Lucas Giolito (BOS) was lifted from Tuesday's Grapefruit League outing against the Phillies due to left hamstring tightness, Jen McCaffrey of The Athletic reports.

9:44 AM - Lucas Giolito (BOS) Alex Cora said Tuesday that Giolito (elbow) will make 2025 debut in Baltimore during Boston's second series of the regular season, which runs from March 31 to April 3, Jen McCaffrey of The Athletic reports.

9:33 AM - Lucas Giolito (BOS) (elbow) is set to throw two innings against the Phillies next Tuesday, Chris Cotillo of MassLive.com reports.

12:55 PM - Lucas Giolito (BOS) (elbow) is tracking toward making his first Grapefruit League start March 11 versus the Phillies, Ian Browne of MLB.com reports.

10:51 AM - Lucas Giolito (BOS) (elbow) will make his first start of spring training Thursday against the Blue Jays, Ian Browne of MLB.com reports.

9:31 AM - Lucas Giolito (BOS) (elbow) threw a 15-pitch live batting practice session Tuesday, Chris Cotillo of Mass Live reports. "Being able to get through that step, for me, it feels like the end of the rehab arc," said.

9:01 AM - Lucas Giolito (BOS) (elbow) is expected to throw a live batting practice session Monday, Jen McCaffrey of The Athletic reports.

10:41 AM - Lucas Giolito (BOS) (elbow) is scheduled to throw his first live batting practice session of the spring in the coming days, Jen McCaffrey of The Athletic reports.

8:19 AM - Lucas Giolito (BOS) (elbow) has thrown four bullpen sessions this winter and expects to be a "full-go" when spring training begins next month, Jen McCaffrey of The Athletic reports. "The progression of my rehab at this point pretty much has me right in line with where I would be as a healthy player," he said.

1:40 PM - Lucas Giolito (BOS) Sox chief baseball officer Craig Breslow said Monday that Giolito (elbow) should be ready to pitch most, if not all, of 2025, Mac Cerullo of the Boston Herald reports.

2:34 PM - Lucas Giolito (BOS) (elbow) exercised his $19 million player option for 2025 on Thursday, Chris Cotillo of MassLive.com reports.

5:24 PM - Lucas Giolito (BOS) (elbow) was throwing in the field at Fenway Park on Friday, Jen McCaffrey of The Athletic reports.

10:27 AM - Lucas Giolito (BOS) Red Sox placed Giolito (elbow) on the 60-day injured list Sunday, Mac Cerullo of the Boston Herald reports.

9:57 AM - Lucas Giolito (BOS) underwent an internal brace procedure Tuesday to repair the UCL in his right elbow, Chris Cotillo of The Springfield Republican reports.

3:37 PM - Lucas Giolito (BOS) will undergo surgery Tuesday to repair UCL damage in his right elbow, Sean McAdam of The Springfield Republican reports.

9:49 AM - Lucas Giolito (BOS) Sox manager Alex Cora said that Giolito will receive a second opinion on his injured right elbow Monday, Jen McCaffrey of The Athletic reports.

10:33 AM - Lucas Giolito (BOS) imaging on Giolito's right elbow showed a partial UCL tear and flexor strain, Jeff Passan of ESPN.com reports.

10:11 AM - Lucas Giolito (BOS) Sox manager Alex Cora said Tuesday that Giolito felt right elbow soreness after his last Grapefruit League appearance and is not expected to be ready Opening Day, Jen McCaffrey of The Athletic reports.

10:53 AM - Lucas Giolito (BOS) allowed four runs on two hits and three walks while striking out one over 2.1 innings in Friday's spring start against the Twins.

6:15 PM - Lucas Giolito (BOS) signed a two-year, $38.5 million contract with the Red Sox on Friday, Jeff Passan of ESPN.com reports.