Yamamoto posted a 3.38 ERA, 1.13 WHIP and 7:0 K:BB through eight innings before spring training was suspended.
The 23-year-old headed into camp looking to win a spot in the Miami rotation, and Yamamoto seemed to do just that, out-pitching competitors like Pablo Lopez and Elieser Hernandez. His role likely won't become clear until MLB gets closer to resuming play, but Yamamoto appears ready to build on the flashes of promise he showed as a rookie in 2019.
Yamamoto allowed three runs (two earned) in two innings during Saturday's Grapefruit League game against the Mets, Joe Frisaro of MLB.com reports.
He was victimized by some shaky outfield defense in the first inning -- Monte Harrison lost a Pete Alonso flyball in the sun, and JJ Bleday followed by misplaying a Wilson Ramos fly after the wind pushed it into the corner for a bases-loaded ground-rule double -- but Yamamoto rebounded in the second. He threw 38 pitches in total (22 strikes) and at least showed he can handle some adversity. The right-hander, who posted a 4.46 ERA, 1.14 WHIP and 82:36 K:BB in 78.2 big-league innings last year, is fighting for a spot in the Marlins' rotation this spring.
Yamamoto is scheduled to start the Marlins' Grapefruit League opener Saturday versus the Mets, Jordan McPherson of the Miami Herald reports.
The 23-year-old will get an early opportunity to secure a back-end spot in Miami's Opening Day rotation after a generally solid rookie season in which he struck out more than a batter per inning while posting a 4.46 ERA across 78.2 frames. Yamamoto's main focus this spring will likely be in showing improved control, an area where he struggled mightily down the stretch last season. He issued at least three walks in his final three starts of 2019, ending the campaign with a bloated 11.1 percent walk rate.
Yamamoto threw six scoreless innings in no-decision against the Mets on Thursday, giving up just one hit, striking out 10 and walking three as the Marlins won 4-2.
Yamamoto saved his best for last, dominating the Mets in turning his first double-digit-strikeout performance of the season, while yielding just one hit and finding himself unfortunate not to pick up his fifth win. The 23-year-old's 4.46 ERA isn't spectacular, but his 1.14 WHIP is a solid number. Opponents hit just .191 off him in his 15 starts, leaving hope that he has more upside to be found looking ahead to next season.
Yamamoto allowed two earned runs on six hits and three walks while striking out three across 4.1 innings against the Marlins on Saturday.
Yamamoto made his first start since Aug. 24. Though he allowed nine baserunners, he only gave up two extra-base hits, both of which were doubles. That's notable progress for Yamamoto, as he had allowed a home run in seven consecutive starts prior to hitting the injured list. It's unclear how the Marlins plan to deploy him to close the season, though he's currently projected to start Thursday against the Mets.
Yamamoto (forearm) was reinstated from the 10-day injured list to start Saturday against the Nationals.
At one point, Yamamoto's chances of returning this season were considered slim, but he made it through an instructional league outing Monday and received clearance to toe the rubber Saturday opposite Stephen Strasburg. Yamamoto got off to a great start with the Marlins, but things unraveled in a hurry, with the righty struggling to an 8.13 ERA over seven starts before landing on the IL. He projects for another start next week, on the road against the Mets.
The Marlins plan to activate Yamamoto (forearm) from the 10-day injured list to start Saturday's game against the Nationals.
Yamamoto has been on the shelf for just under a month with a right forearm strain and didn't have a proper rehab assignment before being activated, so he'll likely be on some sort of workload restriction in his return to the active roster. The Marlins bumped Elieser Hernandez off his scheduled start to clear room in the rotation for Yamamoto.
Yamamoto (forearm) is scheduled to make an outing in the instructional league Monday and could rejoin the Marlins as early as next weekend, Andre Fernandez of The Athletic reports.
Yamamoto was given a slight chance to return this season just last week, but his prospects appear to have improved significantly over the last few days. Manager Don Mattingly indicated the young right-hander may not be used as a traditional starter upon his return in an effort to limit his innings with the season in its closing stages.
Yamamoto (forearm) has just a slight chance to return to the Marlins this season, Andre Fernandez of The Athletic reports.
Yamamoto has been dealing with a forearm strain since the end of August. Previous reports cast his return in a more favorable light, with the expectation being that he'd make a start in the instructional league before being activated from the 10-day injured list, but president of baseball operations Michael Hill seemed to be more pessimistic Tuesday.
Yamamoto (forearm) is expected to throw a bullpen session within the next few days, Joe Frisaro of MLB.com reports.
Once Yamamoto gets back on the mound, the Marlins will reassess his likelihood of pitching again before the regular season wraps up Sept. 29. Assuming Yamamoto's bullpen session goes well, manager Don Mattingly said he expects the rookie to pitch a simulated game in the Marlins' fall instructional league before returning from the 10-day injured list. Yamomoto has been on the shelf since Aug. 28 with a right forearm strain.
Yamamoto was placed on the 10-day injured list Wednesday with a right forearm strain, Andre Fernandez of The Athletic reports.
This move comes after Yamamoto was tagged for six runs across 3.2 innings in his most recent outing -- easily his worst start since joining the Marlins in mid-June. Depending on the severity of the issue, the 23-year-old rookie may not pitch again this season; the Marlins are well out of playoff contention and have little reason to push Yamamoto, who is already approaching a career-high in innings. Robert Dugger was summoned from Triple-A New Orleans in a corresponding move and will replace Yamamoto in the rotation, starting Thursday against the Reds.
Yamamoto (4-5) allowed six runs on six hits with four walks and three strikeouts across 3.2 innings while taking a loss against the Phillies on Saturday.
The Phillies had runners in scoring position during the second and third innings, but Yamamoto escaped unscathed to post three scoreless innings to start the night. That all ended in the fourth, however, as he retired just two of eight batters, and the Marlins bullpen allowed all three of the runners he left on base to score. As a result, he was charged with six runs for the first time since July 27. Yamamoto, who will face the Reds at home Thursday, owns a 4.87 ERA despite a 1.13 WHIP and .192 batting average against with 69 strikeouts in 68.1 innings this season.
Yamamoto allowed two runs on a walk and four hits over 5.2 innings Sunday, striking out nine batters in the loss to the Rockies. He did not factor in the decision.
The 23-year-old rookie set a new career high with the nine punchouts. The two runs he allowed came in the form of solo shots by Nolan Arenado and Charlie Blackmon. Yamamoto lowered his ERA to 4.31 with a solid 66:26 K:BB over 64.2 frames. He'll face the Phillies at home Saturday.
Yamamoto (4-4) took the loss Tuesday as the Marlins were routed 15-1 by the Dodgers. giving up four runs on four hits and two walks over five innings while striking out two.
The right-hander's line doesn't look that bad compared to the final score, but Yamamoto gave up some loud contact -- all four of the hits he allowed went for extra bases, including homers by Will Smith and Corey Seager. He's now dropped four straight decisions, posting an 8.28 ERA and 23:8 K:BB in 25 innings over that five-start stretch, and Yamamoto could have a hard time turning things around in his next outing Sunday at Coors Field.
Yamamoto (4-3) allowed four runs on five hits with one walk and six strikeouts across six innings while taking a loss against the Mets on Wednesday.
Since starting his MLB career on a tremendous hot streak, Yamamoto has come back down to earth in his last four starts, posting an 0-3 record with an 8.55 ERA since July 21. He still has an impressive 1.04 WHIP and .175 batting average against, but Yamamoto is also 4-3 with a 4.17 ERA and 55 strikeouts in 54 innings this season. He will look to end this rough patch at home against the Dodgers on Tuesday in his next start.
Yamamoto struck out eight but allowed four runs on seven hits with no walks across six innings during a no-decision against the Twins on Thursday.
Eight strikeouts set a new season high for Yamamoto, but the offense had to come through with three runs in the ninth inning to get him off the hook for his third straight loss. The right-hander owns an unsightly 9.64 ERA in his last three outings, and overall he is 4-2 with a 3.94 ERA, 1.04 WHIP, .169 batting average against and 49 strikeouts in 48 innings this season. Yamamoto will pitch next at the Mets on Tuesday.
Yamamoto (4-2) was handed the loss Saturday versus the Diamondbacks after surrendering six runs on two hits and three walks over four innings. He had three strikeouts and hit a batter.
It's a curious stat line considering Yamamoto allowed only two hits, but one of them was a fourth-inning grand slam by Nick Ahmed. All six runs given up were scored in the fourth. The 22-year-old had a 1.59 ERA and 0.94 WHIP across his first six starts, but in his last two outings he's been charged with 11 runs over eight innings. Yamamoto will look for a rebound performance Thursday against the Twins.
Yamamoto (4-1) allowed five runs on four hits and two walks across four innings while taking the loss Sunday against the Dodgers. He struck out four.
Yamamoto was bitten by the long ball in the early going, as Max Muncy and Joc Pederson mashed two-run home runs in the first and third innings, respectively. He allowed another run before completing the fourth inning and didn't come back out for the fifth due to an elevated pitch count. Yamamoto previously hadn't allowed more than two earned runs in any start this season and will look to bounce back in his next outing at home against the Diamondbacks.
Yamamoto (4-0) allowed three runs (two earned) on four hits and two walks while striking out four across five innings to earn the win Tuesday against the Padres.
Yamamoto was gifted seven runs of support in the first two innings, and he largely held the Padres' offense in check. He started the contest shakily, allowing the first four batters he faced in the second inning to reach base, accounting for all three of the runs he allowed. While he also started the third frame by allowing two hits to the first three batters, he rebounded to retire eight of the final nine batters he faced. Yamamoto now has a 1.59 ERA and 0.94 WHIP through 34 innings. He has yet to allow a home run, masking a 4.5 BB/9.
Yamamoto will make his first start of the second half Tuesday against the Padres, Andre Fernandez of The Athletic reports.
The Marlins will pare down their rotation to five men to begin the second half, with Elieser Hernandez getting the boot to the bullpen while Yamamoto and fellow rookie Zac Gallen maintain starting spots. In Yamamoto's case, there wasn't much doubt he would stick in the rotation after allowing just four runs while striking out 30 through his first 29 big-league innings. Yamamoto's 13.5 BB% is a red flag, but his ability to keep the ball in the yard and deceive hitters with his four-pitch mix should continue to aid his run-prevention efforts.
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