Teng was designated for assignment by San Francisco on Tuesday.
Teng spent the majority of the 2024 campaign with Triple-A Sacramento, producing an inflated 8.60 ERA and 1.81 WHIP with 61 strikeouts over 75.1 innings in 23 appearances, including 13 starts. Additionally, the right-hander gave up 12 earned runs over 11 innings in four appearances with the Giants last year. He'll now be placed on waivers and if he goes unclaimed, he'll likely remain with Triple-A Sacramento ahead of the 2025 season.
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Giants' Kai-Wei Teng: Returns to action at Triple-A
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Teng (undisclosed) has struck out five and has given up three earned runs on five hits and one walk over 6.2 innings over two appearances for Triple-A Sacramento since being reinstated from the 7-day injured list July 28.
Teng had been on the shelf for three weeks before he made his return to Sacramento. The 25-year-old righty made four appearances out of the San Francisco bullpen earlier this season but is likely to serve as a swingman for Sacramento for the foreseeable future. He holds an 8.66 ERA and 1.76 WHIP over 44.2 innings for the Triple-A club in 2024.
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Giants' Kai-Wei Teng: In midst of rehab assignment
Rotowire
Teng, who was placed on Triple-A Sacramento's 7-day injured list July 7 with an unspecified injury, made a rehab appearance Friday in the rookie-level Arizona Complex League, giving up four earned runs on five hits and one walk while striking out two over 1.2 innings.
Given that Teng has been on the IL for just a couple of weeks, he shouldn't require an extensive buildup in the lower levels of the minors before he rejoins Sacramento. The 25-year-old righty has a spot on the Giants' 40-man roster but hasn't distinguished himself enough at the Triple-A level this season to earn a call-up. Over his 12 appearances (five starts) for Sacramento before landing on the shelf, Teng turned in a 9.47 ERA and 1.89 WHIP across 38 innings.
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Giants' Kai-Wei Teng: Headed down to Triple-A
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Teng was optioned to Triple-A Sacramento on Saturday, Alex Pavlovic of NBC Sports Bay Area reports.
The move corresponds with the Giants removing Sean Hjelle (elbow) from the 15-day IL. Teng has struggled in his first season in the majors, allowing 12 earned runs on 15 hits and eight walks over 11 innings. The right-hander will look to get his command back with Sacramento, where he posted a 4.22 ERA and 1.44 WHIP over 79 innings in 2023.
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Giants' Kai-Wei Teng: Goes three innings in debut
Rotowire
Teng allowed three runs on four hits and three walks while striking out four over three innings versus the Padres on Sunday.
Starter Daulton Jefferies (hip) gave up nine runs (five earned) over the first two innings, and Teng was called on for a long-relief assignment. Teng gave up three runs himself in the third inning, but he settled in after that. All in all, it's a fairly forgettable major-league debut for the right-hander, who posted a mediocre 4.42 ERA, 1.36 WHIP and 164:68 K:BB over 126.1 innings between Double-A and Triple-A last season. The Giants' rotation has some holes early in 2024, but Teng figures to be a multi-inning reliever in the short term and could lose his spot on the 26-man roster once Alex Cobb (hip) is able to make his season debut.
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Giants' Kai-Wei Teng: Recalled from Sacramento
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The Giants recalled Teng from Triple-A Sacramento on Friday, Maria I. Guardado of MLB.com reports.
The move corresponds with Luke Jackson (back) being placed on the Giants' 15-day IL. Teng started 2023 in Double-A Richmond, and he managed to work his way up to Triple-A Sacramento by June. With Sacramento, he posted a 4.22 ERA, 1.44 WHIP and 96:48 K:BB over 79 innings while going 6-5 over 16 starts. Teng will fill Jackson's spot in the bullpen.
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Giants' Kai-Wei Teng: Optioned to Triple-A
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The Giants optioned Teng (oblique) to Triple-A Sacramento on Monday, Susan Slusser of the San Francisco Chronicle reports.
Teng didn't make any Cactus League appearances due to a left oblique strain, but he seems to be just about fully healthy at this point, as he's scheduled to pitch in a minor-league game Wednesday, according to Maria I. Guardado of MLB.com. The 25-year-old right-hander should open the season as a member of Sacramento's rotation.
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Giants' Kai-Wei Teng: Slated for live BP
Rotowire
Teng (oblique) will throw a live batting practice session Saturday, Susan Slusser of the San Francisco Chronicle reports.
Teng is working his way back from a left oblique strain suffered early in camp. The 25-year-old is pegged to open the season in Triple-A Sacramento's rotation.
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Giants' Kai-Wei Teng: Battling oblique strain
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The Giants announced Wednesday that Teng will miss at least the first 2-to-3 weeks of spring training with a left oblique strain, Alex Pavlovic of NBC Sports Bay Area reports.
Teng was added to the Giants' 40-man roster over the winter, but even if he wasn't sidelined for the start of camp with the oblique injury, he wouldn't have been a serious candidate for a spot in the big club's Opening Day rotation. Once he moves past the oblique strain, Teng will likely head to Triple-A Sacramento, with whom he tallied a 4.22 ERA, 1.44 WHIP and 96:48 K:BB in 79 innings last season.
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Giants' Kai-Wei Teng: Receives 40-man spot
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The Giants added Teng to their 40-man roster Tuesday.
Teng split time between Double-A Richmond and Triple-A Sacramento last season, putting up a 4.42 ERA and 1.36 WHIP through 126.1 combined innings. Teng needs to work on his command before he can be relied on in the majors. but his impressive strikeout numbers warrant protection from the upcoming Rule 5 Draft.
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Giants' Kai-Wei Teng: Promoted to Triple-A
Rotowire
Teng was promoted from Double-A Richmond to Triple-A Sacramento on Saturday.
Teng has shown some upside with a 13.0 K/9 over 47.1 innings with Richmond this season. He also posted a 4.75 ERA in his second season at Double-A, but his 3.23 FIP suggests he had some poor luck. He rides a sweeper and mixes in a fastball, though he may need to develop a third pitch to navigate the hitter-friendly Pacific Coast League. He'll likely spend the rest of 2023 at Triple-A.
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Giants' Kai-Wei Teng: Sweeper leading to success
Rotowire
Teng has a 2.63 ERA, 0.96 WHIP and 36 strikeouts in 24 innings across six starts for Double-A Richmond.
According to Dylan White of Baseball America, Teng throws his sweeper nearly two-thirds of the time. That's an extreme percentage, especially for a starting pitcher, but his breaking ball is a better pitch than his 94-mph fastball. Essentially a two-pitch pitcher right now, Teng has gone between 3.2 innings and 4.2 innings in all six starts.
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Giants' Kai-Wei Teng: Back from suspension
Rotowire
Teng returned from his suspension Wednesday. He allowed two runs on two hits and three walks while striking out 10 over five innings in a no-decision versus High-A Hillsboro.
Teng was handed a 10-game suspension for using a foreign substance to doctor baseballs. He's now posted a 1-2 record, 4.74 ERA, 1.36 WHIP and 39:15 K:BB across 24.2 innings with High-A Eugene.
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Giants' Kai-Wei Teng: Gets 10-game ban
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Teng was one of four minor-league pitchers who received a 10-game suspension last week after being caught using illegal foreign substances to doctor baseballs, Jake Seiner of the Associated Press reports.
Teng has made five starts for High-A Eugene this season, posting a 5.03 ERA and 1.46 WHIP in 19.2 innings.
