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LUIS GUERRERO
LUIS GUERRERO #99 - PITCHER - BOSTON RED SOX
0-1  W-L  •
1.33  WHIP  •
4.15  ERA 
#99 - PITCHER - BOSTON RED SOX
0-1 W-L
1.33 WHIP
4.15 ERA
MLB > BOSTON RED SOX >

LUIS GUERRERO NEWS

NEWS

BIO

STATS

VIDEOS

GAME LOG

INJURIES

Cubs host the Red Sox on home winning streak

The Chicago Cubs, on a three-game home winning streak, host the Boston Red Sox
JULY 20, 2025 • Associated Press

Chicago Cubs and Boston Red Sox play in game 2 of series

The Chicago Cubs face the Boston Red Sox, leading the series 1-0
JULY 19, 2025 • Associated Press

Red Sox take 10-game win streak into matchup with the Cubs

The Boston Red Sox seek to prolong a 10-game win streak with a victory over the Chicago Cubs
JULY 18, 2025 • Associated Press

Red Sox host the Rays on home winning streak

The Boston Red Sox, on a five-game home winning streak, host the Tampa Bay Rays
JULY 12, 2025 • Associated Press

Red Sox play the Rays on home winning streak

The Boston Red Sox host the Tampa Bay Rays trying to extend a four-game home winning streak
JULY 11, 2025 • Associated Press

Red Sox host the Rays on 3-game home win streak

The Boston Red Sox host the Tampa Bay Rays trying to extend a three-game home winning streak
JULY 10, 2025 • Associated Press

Red Sox meet the Rockies with 1-0 series lead

The Boston Red Sox lead 1-0 in a three-game series against the Colorado Rockies
JULY 8, 2025 • Associated Press

Red Sox host the Rockies to begin 3-game series

The Boston Red Sox host the Colorado Rockies to begin a three-game series
JULY 7, 2025 • Associated Press

Red Sox look to sweep series against the Nationals

The Boston Red Sox will aim to sweep a three-game series with a victory against the Washington Nationals
JULY 6, 2025 • Associated Press

Red Sox bring 1-0 series lead over Reds into game 2

The Boston Red Sox lead 1-0 in a three-game series against the Cincinnati Reds
JULY 1, 2025 • Associated Press

Red Sox host the Reds in first of 3-game series

The Boston Red Sox host the Cincinnati Reds to begin a three-game series
JUNE 30, 2025 • Associated Press

Red Sox and Blue Jays play to determine series winner

The Boston Red Sox and Toronto Blue Jays play on Sunday with the winner claiming the three-game series
JUNE 29, 2025 • Associated Press
Lands on IL with elbow strain The Red Sox placed Guerrero on the 15-day injured list Saturday due to a right elbow strain.
Impact Guerrero allowed four runs on four hits and three walks while striking out one batter over his last two outings, and his elbow injury may have played a part in his recent poor play. He's eligible to be reinstated July 13, but a strained elbow to the throwing arm typically results in a longer stint on the IL. To bolster their bullpen, the Red Sox reinstated Chris Murphy (elbow) from the 60-day IL in a corresponding move.
JUNE 28, 2025 • ROTOWIRE
Lands on IL with elbow strain The Red Sox placed Guerrero on the 15-day injured list Saturday due to a right elbow strain.
Impact Guerrero allowed four runs on four hits and three walks while striking out one batter over his last two outings, and his elbow injury may have played a part in his recent poor performance. He's eligible to be reinstated July 13, but a strained elbow to the throwing arm typically results in a longer-than-minimum stint on the IL. To bolster their bullpen, the Red Sox reinstated Chris Murphy (elbow) from the 60-day IL in a corresponding move.
JUNE 28, 2025 • ROTOWIRE

Kikuchi strikes out season-high 12 as the Angels beat Red Sox 5-2 to complete 3-game sweep

Yusei Kikuchi struck out a season-high 12 in seven innings, Jo Adell and Travis d’Arnaud hit solo homers and RBI singles, and the Los Angeles Angels beat the Boston Red Sox 5-2 to...
JUNE 25, 2025 • Associated Press
Returns to big leagues The Red Sox recalled Guerrero from Triple-A Worcester on Sunday.
Impact He'll be joining the bullpen as a replacement for right-hander Justin Slaten (shoulder), who was placed on the 15-day injured list in a corresponding move. Guerrero had two stints with the big club earlier this season, making four relief appearances while logging a 1.69 ERA and 1.13 WHIP over 5.1 innings. Expect the Red Sox to use him primarily in lower-leverage spots.
JUNE 1, 2025 • ROTOWIRE
Returns to big leagues The Red Sox recalled Guerrero from Triple-A Worcester on Sunday.
Impact He'll be joining the bullpen as a replacement for right-hander Justin Slaten (shoulder), who was placed on the 15-day injured list in a corresponding move. Guerrero had two stints with the big club earlier this season, making four relief appearances while logging a 1.69 ERA and 1.13 WHIP over 5.1 innings. Expect the Red Sox to use him primarily in lower-leverage spots.
JUNE 1, 2025 • ROTOWIRE
Expected to join big club The Red Sox are expected to promote Guerrero from Triple-A Worcester on Sunday, Chris Cotillo of MassLive.com reports.
Impact Guerrero has spent most of the season in Triple-A, where he has a 4.43 ERA, 1.24 WHIP and 16:11 K:BB across 20.1 innings. He's made four appearances out of the Red Sox's bullpen this season and has allowed one run on three hits and three walks while striking out four across 5.1 innings.
MAY 31, 2025 • ROTOWIRE
Sent back to Triple-A The Red Sox optioned Guerrero to Triple-A Worcester on Sunday, Jen McCaffrey of The Athletic reports.
Impact Guerrero was up with the big club for just one day and will be sent back to the minors after giving up an earned run on two hits and three walks over 1.1 innings out of the bullpen in the Red Sox's 2-1 loss to the Orioles on Saturday in the second game of a doubleheader. Right-hander Zack Kelly was recalled from Triple-A to take Guerrero's spot on the bullpen.
MAY 25, 2025 • ROTOWIRE

Orioles hang on to win nightcap against the Red Sox 2-1

Ryan O’Hearn hit a two-out, tiebreaking single in the eighth and reliever Seranthony Domínguez got Rafael Devers to pop out to end the bottom of the inning, helping the Baltimore O...
MAY 25, 2025 • Associated Press
Returning to majors The Red Sox recalled Guerrero from Triple-A Worcester on Saturday.
Impact Guerrero has appeared in three major-league games for the Red Sox this season and has tossed four scoreless innings while allowing one hit and striking out three batters without issuing a walk. He has a 4.91 ERA, 1.27 WHIP and 16:10 K:BB across 18.1 innings in Triple-A this season. Guerrero will take the spot in the bullpen vacated by Sean Newcomb, who was designated for assignment by the Red Sox in a corresponding move.
MAY 24, 2025 • ROTOWIRE
Dispatched to Worcester The Red Sox optioned Guerrero to Triple-A Worcester on Saturday.
Impact Since joining Boston on April 24, Guerrero has pitched four shutout innings while striking out three batters and walking none. Despite his performance, he'll end up as the roster casualty needed to make room for Brennan Bernardino's return from the bereavement list.
MAY 3, 2025 • ROTOWIRE
Dispatched to Worcester The Red Sox optioned Guerrero to Triple-A Worcester on Saturday.
Impact Since joining Boston on April 24, Guerrero has pitched four shutout innings while striking out three batters and walking none. Despite his performance, he'll end up as the roster casualty with Brennan Bernardino returning from the bereavement list.
MAY 3, 2025 • ROTOWIRE
Recalled from Triple-A The Red Sox recalled Guerrero from Triple-A Worcester on Thursday.
Impact Guerrero holds a 5.23 ERA and 7:5 K:BB over 10.1 frames this season with Worcester. He will provide manager Alex Cora with a fresh arm in the bullpen.
APRIL 24, 2025 • ROTOWIRE
Red Sox Trade Idea Lands Bullpen Help From Mariners A new Red Sox trade idea has sending second baseman David Hamilton and pitcher Luis Guerrero to the Seattle Mariners for pitcher Gabe Speier...
APRIL 13, 2025 • NEWSOBSERVER.COM
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