The Athletics released Guerra on Aug. 5.
Signed to a minor-league deal this past season, Guerra spent the first half of the 2023 campaign completing his recovery from April 2022 Tommy John surgery. He began a rehab assignment in the rookie-level Arizona Complex League in late June before returning from Triple-A Las Vegas' 60-day injured list in early July. He made just three appearances for Las Vegas before returning to the 7-day IL on July 17 and then being cut loose three weeks later. The 34-year-old reliever has previously made 134 MLB appearances, but none since 2021.
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Athletics' Deolis Guerra: Back on Triple-A IL
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Triple-A Las Vegas placed Guerra on its 7-day injured list July 17 with an unspecified injury.
After completing his recovery from April 2022 Tommy John surgery, Guerra made his season debut for Las Vegas on July 4. The right-hander made three relief appearances before returning to the IL two weeks later, though it's unclear if he was deactivated due to a setback with his surgically repaired elbow or because of an unrelated injury.
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Athletics' Deolis Guerra: Returns to Oakland
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Guerra (elbow) signed a minor-league contract with the Athletics on Monday.
Guerra was a fairly prominent contributor out of the Oakland bullpen in 2021, maintaining a 4.11 ERA and 1.11 WHIP across 65.2 innings. However, Guerra underwent Tommy John surgery in April and missed the entire 2022 season. He was non-tendered by the club earlier in the offseason and will now have to earn back his spot on the 40-man roster once healthy.
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Deolis Guerra: Non-tendered by A's
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The A's declined to tender Guerra (elbow) a contract for 2023.
Guerra underwent Tommy John surgery in April and missed the entire 2022 season. The righty is a journeyman at 33 years old, but he pitched well for the A's in 2021 (4.11 ERA, 1.11 WHIP) and there will likely be many teams interested in seeing how he looks post-surgery.
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Athletics' Deolis Guerra: Undergoes Tommy John surgery
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Guerra underwent reconstructive surgery on the UCL in his right elbow Wednesday, Matt Kawahara of the San Francisco Chronicle reports.
The A's announced Guerra's elbow procedure last week, but it wasn't previously specified as Tommy John surgery. The 32-year-old will miss the rest of the season and likely the first half of the 2023 campaign while going through his recovery and rehab.
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Athletics' Deolis Guerra: Surgery scheduled
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Guerra will undergo elbow surgery April 13, Matt Kawahara of the San Francisco Chronicle reports.
Guerra experienced forearm tightness in late March and was later diagnosed with a UCL injury. The specifics of his procedure are still unclear. If he has to undergo Tommy John surgery, he won't be back until the middle of next season, though it's possible he'll undergo a different surgery with a shorter recovery timeline.
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Athletics' Deolis Guerra: Placed on 60-day IL
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Guerra was placed on the 60-day injured list Thursday due to a sprained right UCL, Matt Kawahara of the San Francisco Chronicle reports.
Guerra will require surgery to address his UCL injury, and he'll miss at least the first two months of the season. The exact nature of his procedure hasn't yet been revealed, so a timetable for his return is unknown.
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Athletics' Deolis Guerra: Slated to undergo surgery
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Guerra (forearm) will undergo surgery that will force him to begin the season on the injured list, Martin Gallegos of MLB.com reports.
Guerra recently received a second opinion on his forearm tightness, and he'll be forced to miss time due to his procedure. While a timetable for Guerra's return hasn't yet been revealed, Domingo Acevedo, Sam Moll and A.J. Puk are candidates to take on setup duties to begin the regular season.
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Athletics' Deolis Guerra: Receiving second opinion
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Manager Mark Kotsay said Thursday that Guerra (forearm) will receive a second opinion, Matt Kawahara of the San Francisco Chronicle reports.
Guerra was evaluated for forearm tightness Tuesday, but he'll get an additional diagnosis before the team determines the next steps in his recovery process. The right-hander was in line to serve as one of the team's top setup men in front of closer Lou Trivino to begin the regular season, but his early-season availability will likely depend on the results of his second examination.
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Athletics' Deolis Guerra: Dealing with tight forearm
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Guerra is considered day-to-day after he experienced forearm tightness coming out of his Cactus League debut Wednesday, Matt Kawahara of the San Francisco Chronicle reports.
The Athletics have paused Guerra's throwing program for the time being, with a decision on his next steps likely coming Tuesday, when he's scheduled to be re-evaluated. If he moves past the forearm issue and is deemed ready to go for Opening Day, Guerra is expected to serve as one of the main setup men for Lou Trivino, who is the most likely candidate to begin the season as the Athletics' closer. In 53 appearances for Oakland last season spanning 65.2 innings, Guerra submitted a 4.11 ERA, 1.11 WHIP and 62:20 K:BB.
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Athletics' Deolis Guerra: Re-signed by Oakland
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Guerra and the Athletics agreed to a one-year, $815,000 deal Tuesday, Ken Rosenthal of The Athletic reports.
Guerra appeared in a career-high 53 games last season, compiling a 4.11 ERA and 1.11 WHIP while striking out 62 over 65.2 innings. He will likely operate as a middle-relief option for the squad in 2022.
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Athletics' Deolis Guerra: Earns relief win
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Guerra (2-1) won Sunday's 3-1 triumph over the Yankees, allowing a walk with a strikeout in the eighth inning.
Guerra entered a tie game in the eighth inning, retired the heart of New York's lineup and fell in line for the win when Oakland took the lead in the bottom of the frame. The victory is Guerra's first since April 21. He's assembled an impressive August resume with a 1.69 ERA in 10.2 innings across nine appearances.
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Athletics' Deolis Guerra: Keeps rolling Friday
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Guerra fired 1.2 scoreless innings in a loss to the Yankees on Friday, allowing a hit and recording a strikeout.
The right-hander has been a mostly reliable bullpen asset for manager Bob Melvin this season, and Friday's scoreless effort brought his ERA and WHIP in August down to 1.86 and 0.72, respectively. Guerra has an elite 14:2 K:BB over that 9.2-inning sample as well, but the fact he's recorded just one hold on the season does cap his fantasy value to an extent.
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Athletics' Deolis Guerra: Still in impressive groove
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Guerra has seven straight scoreless appearances spanning 6.2 innings, a stretch during which he's allowed four hits, generated a 7:1 K:BB and garnered one hold.
Guerra had allowed a pair of earned runs apiece in back-to-back outings prior to his current streak, so the string of strong performances have been particularly heartening. However, despite his solid 3.22 ERA and impressive 0.91 WHIP, Guerra's fantasy value is primarily limited to deep formats, considering he has only one victory and hold apiece across 28 appearances.
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Athletics' Deolis Guerra: Third straight scoreless effort
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Guerra fired a scoreless eighth inning in a loss to the Rangers on Friday, issuing one walk.
The veteran reliever is picking up work on a regular basis after a lull for much of June, as he's already logged four appearances in July. Guerra gave up two earned runs apiece in back-to-back outings June 27 and July 1, but he's bounced back to post three straight scoreless efforts over 2.2 innings.
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Athletics' Deolis Guerra: Impressive in long relief
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Guerra fired 2.1 perfect innings during which he recorded three strikeouts in an extra-inning loss to the Mariners on Monday.
Guerra got seven valuable outs after starter James Kaprielian was chased following just 3.2 innings on the hill. The veteran right-hander has been a productive addition to the Athletics' bullpen, posting a 1-1 mark, 3.33 ERA and 0.95 WHIP across 24.1 innings while logging more than one frame in half of his 16 appearances.
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Athletics' Deolis Guerra: Seeing long-relief work
Rotowire
Guerra, who most recently fired three scoreless innings in a loss to the Red Sox on Thursday, has worked a total of seven innings over his last three appearances.
The veteran right-hander has been used sparingly, with those three appearances coming over the last 13 days. Guerra's ability to work multiple innings has proved valuable, however, particularly in a scenario like Thursday's where starter Sean Manaea was chased after just two innings. The timing and circumstances under which Guerra is typically deployed haven't led to any hold opportunities through 11 appearances, although he does have one victory, along with a 2.65 ERA and 0.88 WHIP, across 17 innings.
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Athletics' Deolis Guerra: Gets first win of '21
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Guerra (1-0) was credited with the win in an extra-inning victory over the Twins on Wednesday, getting the final out of the 10th inning on one pitch.
Guerra came on in relief of Lou Trivino, who'd surrendered a go-ahead two-run home run to Byron Buxton. The veteran right-hander subsequently qualified as the pitcher of record when the Athletics mounted a three-run rally in the bottom of the frame. Guerra has proven a solid find thus far, pitching to a 1.42 ERA and 0.32 WHIP across four appearances, two of them covering multiple frames.
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Athletics' Deolis Guerra: Contract selected by Athletics
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Guerra's contract was selected by the Athletics on Thursday.
Guerra tossed 5.2 scoreless innings with 10 strikeouts in six Cactus League games this spring, but he was reassigned to minor-league camp prior to Opening Day. However, he'll be added to the 40-man roster and join the major-league bullpen after A.J. Puk (biceps) was placed on the 10-day injured list and Trevor Rosenthal (shoulder) was transferred to the 60-day IL. Guerra will likely pitch in low-leverage situations for Oakland.
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Athletics' Deolis Guerra: Headed to minor-league camp
Rotowire
Guerra was reassigned to minor-league camp Saturday.
Guerra was delayed by a visa issue to begin camp but still appeared in six Cactus League games. During that time, he tossed 5.2 scoreless innings with 10 strikeouts. However, he'll now report to minor-league camp with less than a week remaining until Opening Day, and he should begin the season at Triple-A Las Vegas.
