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    Athletics claim Joe Rock off waivers from ChiSox

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    ATH Starting Pitcher #46
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    Athletics claimed LHP Joe Rock off of waivers from the White Sox; optioned him to Triple-A Las Vegas.

    The 26-year-old left-hander was designated for assignment on Friday after posting a 3.48 ERA, 2.13 WHIP and a 12/11 K/BB ratio across 10 1/3 innings in four appearances with the White Sox. He’ll function as extra rotation depth for the A’s at the Triple-A level.
Smoltz: NLCS will be 'unbelievably' close series
John Smoltz joints the Dan Patrick Show to weigh in on this year's NLCS matchup, how the Brewers can dethrone the Dodgers and former generations of pitchers compared to today's pitchers.

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  • ATH Starting Pitcher #30
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    Rock threw 16 pitches and recorded zero outs in his Athletics debut yesterday, in a game that also featured three stolen bases against him.
  • ATH Starting Pitcher
    Rock, claimed off waivers from the White Sox last month, will be making his A’s debut after allowing only one run and three hits in 10 1/3 innings out of the pen for Vegas. He has a 3.00 ERA and a 23/13 K/BB in 18 innings as a major leaguer with the Rays and White Sox.
  • CWS Starting Pitcher #46
    Rock walked 11 in 10 1/3 innings with the White Sox in June, though he somehow managed a 3.48 ERA. The 26-year-old could draw interest on waivers.
  • CWS Starting Pitcher #46
    Even though he walked 11, Rock managed a 3.48 ERA in 10 1/3 innings in his four relief appearances for the White Sox this month. He’ll probably get another look in middle relief later.
  • CWS Starting Pitcher
    Rock, 25, was acquired by the White Sox in a deal for Oliver Dunn in the middle of May. The left-hander will have a chance to make his MLB debut while with the White Sox, but likely in a role that doesn’t have any fantasy significance.
  • CWS Relief Pitcher #68
    Rock hasn’t pitched in the big leagues this season after making three relief appearances for the Rays last year, striking out 11 and allowing two runs over 7 2/3 innings of work. The 25-year-old southpaw has struggled to an inflated 5.40 ERA and 27/17 K/BB ratio over 15 innings at Triple-A Round Rock this season.
  • TB Starting Pitcher #32
    That’s not great news. Matz looked good on Sunday, allowing one run in six innings to lower his ERA to 3.86 and his WHIP to 1.10. Obviously, he did not respond well after the start, so we’ll have to wait and see how long he will be sidelined for. The Rays are in the process of stretching out Griffin Jax and Mason Englert (forearm) as starters, and Joe Boyle (elbow) is on the injured list, so they may have to turn to Joe Rock or Ian Seymour to take at least one start in Matz’s place.
  • TB Starting Pitcher #68
    Rock was up to add a fresh arm to the bullpen for a couple of days, though he didn’t wind up appearing in a ballgame. He’ll continue to function as extra pitching depth for the Rays at the Triple-A level.
  • TB Starting Pitcher #68
    Rock is carrying an unsightly 19.29 ERA in the early going at Triple-A Durham, but had a 2.35 ERA in three appearances for the Rays last year. He’s here to soak up innings if necessary before Drew Rasmussen is activated tomorrow.
  • TB Starting Pitcher #68
    Mesa Jr. was acquired from the Marlins this offseason and went 2-for-5 in his brief spring appearances. He’s yet to show more than some modest batting average upside during his minor league career. Rock was a former top 10 prospect in the Rays’ organization, but he posted a 5.21 ERA, 1.46 WHIP, and 88/39 K/BB ratio in 96 2/3 innings at Triple-A last season, so he’ll get another shot at that level in 2026. The Rays also reassigned RHPs Andrew Wantz and Kodi Whitley to minor league camp.

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  • CWS Center Fielder #7
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    Brenton Doyle will hit ninth and play center field in Game 5 of the ALDS on Saturday against the Guardians.

    Doyle gets the nod over Braden Montgomery, who has gone just 1-for-19 thus far in his playoff at-bats. The full lineup as the White Sox try not to blow a 2-0 lead and advance to the ALCS against the Rays: 1. Sam Antonacci LF, 2. Kyle Teel C, 3. Miguel Vargas 3B, 4. Munetaka Murakami 1B, 5. Andrew Benintendi DH, 6. Tristan Peters RF, 7. Chase Meidroth 2B, 8. Colson Montgomery SS and Doyle in center behind Sean Burke on the mound.
    - Christopher Crawford
  • CLE Center Fielder #0
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    Petey Halpin is hitting eighth and playing center field against the White Sox on Saturday in Game 5 of the ALDS.

    Halpin will get his first start of the postseason as the Guardians look to complete the 2-0 comeback. Angel Martinez will begin Saturday’s win-or-go-home contest on the bench, but seems likely to be involved at some point. The full lineup against Sean Burke in Game 5: 1. LF Steven Kwan 2. 3B José Ramírez 3. RF Chase DeLauter 4. DH Jo Adell 5. 1B Nathaniel Lowe 6. 2B Travis Bazzana 7. C Patrick Bailey 8. CF Halpin and Brayan Rocchio at shortstop with Gavin Williams on the mound.
    - Christopher Crawford
  • MIL Starting Pitcher #32
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    Jacob Misiorowski will start Game 1 of the NLCS against the Dodgers on Sunday.

    Misiorowski will square off against Dodgers trade deadline acquisition Tarik Skubal, who was reportedly pursued by the Brewers prior to the deal with Los Angeles, to kick off the best-of-seven opener in Milwaukee. Logan Henderson will start Game 2, and the plan is for Robert Gasser to get the nod in Game 3. There are plenty of narratives here, but the most compelling to monitor is whether Misiorowski can go shut down Los Angeles’ star-studded lineup multiple times to help lead the Brewers to the Fall Classic for the first time since 1982. The hard-throwing 24-year-old allowed two runs over four innings during his playoff debut against the Padres last weekend.
  • PHI Front Office #23
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    ESPN’s Jeff Passan reports former Phillies general manager Sam Fuld has declined an offer to become the Athletics next president of baseball operations.

    Fuld, who is currently Philadelphia’s president of business operations, has withdrawn his name from consideration. The 44-year-old former big leaguer, who wound up finishing his playing career with the Athletics in 2015, was viewed as one of the front-runners for the vacancy. Passan adds that Red Sox assistant general manager Taylor Smith is one of the top candidates for the role.
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    Vladimir Guerrero Jr. underwent laser eye surgery earlier this week.

    The Laser Eye Center of Miami shared the news on Instagram that Guerrero underwent successful laser eye surgery to correct his vision. It’s notable that Guerrero’s offseason procedure comes on the heels of a disastrous campaign where he batted .260/.332/.356 with 72 runs scored, nine home runs, 57 RBI and seven steals in 609 plate appearances over 144 games. He swung at more pitches outside of the strike zone and walked much less often than previous years. The 27-year-old first baseman represents a logical rebound candidate for fantasy purposes heading into next season based on the fact that he remains in his physical prime and boasts an extensive track record of elite offensive production. He’s going to be a borderline top-100 pick in most fantasy drafts next spring.
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    Rangers SS prospect Sebastian Walcott went 2-for-4 with an RBI in Arizona Fall League action on Friday.

    The biggest name in the entire fall showcase circuit, Walcott finished last season with a cup of coffee at Triple-A Round Rock after slashing .322/.398/.586 with nine homers and 11 steals in 171 plate appearances for Double-A Frisco. The 20-year-old prodigy added some additional muscle while recovering from elbow surgery back in the spring and has looked like one of the top prospects in baseball again. He’s a long shot to break camp in the majors next spring, but he figures to arrive as Texas’ shortstop of the future by midseason.
  • PHI Shortstop #87
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    Phillies INF prospect Aidan Miller went 2-for-3 with a pair of RBI in Arizona Fall League action on Friday.

    Miller is making up for lost time by getting some work in at third base in the fall’s prospect finishing school. He’s hitting .500 (6-for-12) with one steal through four games this fall. The 22-year-old former first-round pick missed most of this past season due to a lingering back issue that prevented him from making his Double-A debut until early September. He’s one of the more challenging prospects to forecast from a fantasy perspective after missing nearly an entire year to injury. He possesses an extremely intriguing power and speed blend that should make him an impactful fantasy contributor in the near future.
  • DET Left Fielder #93
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    Tigers OF prospect Zyhir Hope went 2-for-4 with an RBI in Arizona Fall League action on Friday.

    The centerpiece of the Tarik Skubal blockbuster with the Dodgers at the trade deadline, Hope blasted 29 round-trippers and also stole 26 bases in 564 plate appearances at the Double-A level this past season. The 21-year-old figures to ascend to Detroit’s outfield mix alongside Riley Greene and Max Clark at some point next season. It wouldn’t be shocking if he were in contention for a corner outfield spot in spring training given the present state of their depth chart.
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    Royals OF prospect Angeibel Gomez went 2-for-4 with a run scored in Arizona Fall League action on Friday.

    Gomez, the second-youngest player in AFL history at just 17 years old, is still several hyperspace jumps away from reaching Kansas City. However, his fantasy stock has soared following a sublime DSL campaign in which he hit .361/.467/.653 with nine homers and 15 steals across 180 plate appearances. One of the premier prospects in the 2026 international signing class, Gomez received $2.9 million from the Royals and advanced to the fall circuit before even making his stateside debut. He’s an exceptionally fast runner who projects to develop into an above-average power producer as he matures physically. It’s not hyperbolic to suggest that his present trajectory puts him on track to become one of the top prospects in baseball by the conclusion of next season.
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    Diamondbacks 2B prospect Demetrio Crisantes went 4-for-5 with three RBI and a stolen base in Arizona Fall League action on Friday.

    All four of his hits carried exit velocities over 98 mph. That’ll work. Crisantes, the top prospect in Arizona’s system, is making up for lost time on the fall circuit after missing the first two months of this past season with a hamstring strain. He missed most of the previous year recovering from shoulder surgery. The 22-year-old showcased his impressive hitting ability by slashing .319/.413/.548 with five homers in 160 plate appearances at the Double-A level before finishing the year hitting .278/.343/.412 with three homers in 209 plate appearances at Triple-A Reno. He’s a prospect that fantasy managers need to know entering next season.