Out
Injury Elbow
Est. Return 2/1/2026
2025 Stats
W-L
10-4
ERA
3.41
WHIP
1.29
K
121
SV
0
Rest-of-Season Projections
2025 Fantasy Outlook
Giolito's first season with Boston ended before it began when he suffered an elbow injury in spring training that required surgery. Doctors opted for an internal bracing procedure, which gave Giolito a chance for a normal offseason. He began throwing in August and was in Fort Myers on a throwing program during the offseason. There could be restrictions early on, but Giolito is expected to be at spring training with other pitchers. He received Cy Young votes every season from 2019 to 2021, but his career arc took a hit in 2023 when he gave up 41 home runs with a 41.9 percent hard-hit rate. He said the troubles were due to falling behind batters and missing location in the zone. Thought of as a front-end starter after signing with Boston, it's a good bet that the organization isn't counting on a top-of-the-rotation starter in 2025, but the 30-year-old should have a spot at the back end. Read Past Outlooks

Unlikely to pitch this postseason
Red 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.
Analysis
Giolito seems to have been cleared of any structural damage after a visit with Dr. Jeffrey Dugas, but the right-hander needs extended rest, so he's done for the season even if the Red Sox make a deep postseason run. It's poor timing for the Red Sox and also Giolito, who will enter free agency this winter. Giolito had a nice bounce-back 2025 campaign, posting a 3.41 ERA and 121:56 K:BB over 145 frames, but he'll head into the free-agent market with health questions.
Giolito seems to have been cleared of any structural damage after a visit with Dr. Jeffrey Dugas, but the right-hander needs extended rest, so he's done for the season even if the Red Sox make a deep postseason run. It's poor timing for the Red Sox and also Giolito, who will enter free agency this winter. Giolito had a nice bounce-back 2025 campaign, posting a 3.41 ERA and 121:56 K:BB over 145 frames, but he'll head into the free-agent market with health questions.
Pitching Stats
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2025 MLB Game Log
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2024
2023
2022
2021
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2019
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Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
91
Last 10 Games
97
Last 5 Games
95
How many pitches does Lucas Giolito generally throw?
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
101-110
111-120
121+
What part of the game does Lucas Giolito generally pitch?
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
-12%
BAA vs LHP
2025
-15%
BAA vs LHP
BAA | K | BB | H | HR | ||||
---|---|---|---|---|---|---|---|---|
Since 2023vs Left | .222 | 152 | 66 | 121 | 25 | |||
Since 2023vs Right | .253 | 173 | 63 | 179 | 33 | |||
2025vs Left | .219 | 66 | 28 | 58 | 8 | |||
2025vs Right | .259 | 55 | 28 | 73 | 9 | |||
2024vs Left | 0 | 0 | 0 | 0 | 0 | |||
2024vs Right | 0 | 0 | 0 | 0 | 0 | |||
2023vs Left | .226 | 86 | 38 | 63 | 17 | |||
2023vs Right | .249 | 118 | 35 | 106 | 24 | |||
More Splits→ | View More Split Stats |
Home/Away Pitching Splits
Since 2023
-24%
ERA at Home
2025
-14%
ERA on Road
ERA | WHIP | IP | K/9 | BB/9 | |||||
---|---|---|---|---|---|---|---|---|---|
Since 2023Home | 3.63 | 1.18 | 153.2 | 8.8 | 3.0 | ||||
Since 2023Away | 4.76 | 1.41 | 175.2 | 8.9 | 4.0 | ||||
2025Home | 3.70 | 1.39 | 65.2 | 7.3 | 3.2 | ||||
2025Away | 3.18 | 1.21 | 79.1 | 7.7 | 3.7 | ||||
2024Home | 0 | 0 | 0 | 0 | 0 | ||||
2024Away | 0 | 0 | 0 | 0 | 0 | ||||
2023Home | 3.58 | 1.03 | 88.0 | 10.0 | 2.9 | ||||
2023Away | 6.07 | 1.57 | 96.1 | 9.9 | 4.2 | ||||
More Splits→ | View More Split Stats |
Stat Review
How does Lucas Giolito compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
2.16K/9
7.5BB/9
3.5HR/9
1.1Fastball
93.3 mphERA
3.41WHIP
1.29BABIP
.284GB/FB
1.09Left On Base
76.6%Exit Velocity
83.9 mphBarrels/BBE
6.6%Spin Rate
2045 rpmBalls Hit 95+ MPH
27.8%Swinging Strike
10.2%Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Past Fantasy Outlooks
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
In 2022, Giolito registered a 4.90 ERA but a 3.66 xFIP and 3.79 SIERA portended a rebound last season. Things did not turn out as hoped for as Giolito recorded a 4.88 ERA pitching for three different teams. This time, the bloated ERA was mostly supported by its estimators as the righty's control and command suffered all season. Fanning 204 in 184.1 innings was solid, but a 9.2 percent walk rate and 41 homers surrendered were major reasons the White Sox and Angels gave up on Giolito before the pitching desperate Guardians picked him up to absorb innings down the stretch. Giolito's velocity and pitch mix was in sync with recent seasons, and after signing a two-year deal (with an opt-out after the first year) with Boston, there's hope that new pitching coach Andrew Bailey can help Giolito maximize a sweeper and return to the form he showed in the first half last year with Chicago (3.45 ERA). Giolito misses bats and hasn't missed more than a start or two every season since 2018, although he'll now be pitching in his most hitter-friendly home park to date.
More Fantasy News

Out for wild card with elbow issue
Red 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.
Analysis
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Control issues continue Tuesday
Giolito 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.
Analysis
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Struggles with command vs. A's
Giolito didn't factor into the decision in Wednesday's win against the Athletics, allowing four runs on five hits and five walks while striking out five over 4.1 innings.
Analysis
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Strong effort in loss
Giolito (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.
Analysis
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Handed third loss
Giolito (10-3) allowed four runs (two earned) on seven hits and three walks while striking out two over five innings to take the loss versus the Diamondbacks on Saturday.
Analysis
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Latest Fantasy Rumors

Unlikely to pitch again in 2025
Giolito is dealing with an elbow injury and is not expected to pitch again in 2025, according to Jen McCaffrey of The Athletic.
Analysis
Giolito was not included on the roster for the AL Wild Card Series against the Yankees, and it seems unlikely that he'll step on the mound again before the end of the campaign. If he doesn't pitch again this season, which is the most likely scenario, Giolito would end the 2025 season with a 3.41 ERA across 26 starts.
Giolito was not included on the roster for the AL Wild Card Series against the Yankees, and it seems unlikely that he'll step on the mound again before the end of the campaign. If he doesn't pitch again this season, which is the most likely scenario, Giolito would end the 2025 season with a 3.41 ERA across 26 starts.