On Sunday, it was reported that the Diamondbacks had signed long-time Giant Madison Bumgarner. The pitcher that had never posted an ERA exceeding 3.37 heading into the season ended up suffering the worst results of his career, posting a 3.90 mark, even as his strikeout and walk rates rebounded to pre-2018 levels. Now he departs one of baseball’s most pitcher friendly venues. How much will the park switch affect his performance? Let’s consult the park factors.

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Rick Porcello and Tanner Roark are both leaving the Winter Meetings with new teams, as Porcello agreed to a one-year, $10 million deal with the Mets and Roark will provide much-needed innings for the Blue Jays on a two-year, $24 million deal. Neither pitcher has had an ERA below 4.00 in any of the last three seasons, but both pitchers have been remarkably durable and largely reliable as innings eaters.

Porcello, of course, has a 2016 American League Cy Young Award on his résumé. While he has not pitched close to that level since, ample run support and regular turns in the Red Sox’s rotation have helped him to win 31 games over the last two seasons. In 2018, he went 17-7 with a 4.28 ERA, and that was good enough for Porcello to rank 41st among starting pitchers in 5×5 Roto value. With the Mets, he will hold down the fourth or fifth spot in the rotation, depending on whether they trade one of their other starters in the wake of adding both Porcello and Michael Wacha during the Winter Meetings.
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The Mets signed Michael Wacha to a one-year, $3 million deal with $7 million worth of incentives on Wednesday afternoon, and he ostensibly fills the rotation vacancy left by Zack Wheeler, albeit as their fifth starter. Wacha has exceeded 170 innings only once in his seven-year career, and his 2019 season was discouraging, featuring a 4.76 ERA and a couple of demotions to the Cardinals’ bullpen. On the plus side, he recorded a 3.20 ERA in an injury-shortened 2018 season, and at 28 years old, he could still have several good seasons ahead of him.

Wacha’s fantasy appeal has never been about strikeouts, but he has authored four seasons with a sub-3.50 ERA. In each of those years, he has had low HR/9 ratios and BABIPs, both of which were frequently aided by soft contact rates. Pitching at Busch Stadium helped as well. Over his first six seasons, Wacha had a 3.54 ERA and an 0.7 HR/9 at home,, but a 4.02 ERA and a 1.0 HR/9 on the road. This past season, he was better at home yet again, but neither set of splits was very good. Wacha was abysmal on the road with a 5.30 ERA, and he gave up more than two home runs for every nine innings. At home, his ERA was superficially respectable at 4.07, but he needed to strand 81.7 percent of his baserunners to keep it that low, as hitters collectively put up a .278/.338/.481 slash line against him.
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Last Wednesday, Dylan Bundy was traded to the Angels for a smattering of minor leaguers. As a fantasy owner who has been intrigued by his underlying skills and elite slider, I’m still waiting for that breakout season, as I’m sure many of you have been. He has now completed three full seasons and a fourth of just over 100 innings, and yet his best single season ERA is 4.02, which included lots of relief innings. Will the move from Baltimore to Los Angeles help accelerate his breakout path? Let’s check the 2018 park factors (2019 are not available yet).

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It’s so nice to have a winter that actually includes substantial movement before the new year. After a painfully slow last two years, we’ve been running a toasty hot stove this year and the Winter Meetings haven’t even kicked off yet (they start Sunday!).

Zack Wheeler signed by Philadelphia (5 years/$118 million dollars)

This is one of those interesting moves that causes a big splash on the national landscape, especially being a high-profile arm joining a new team in the same division, but it’s not quite as impactful in the fantasy realm. It’s a big deal for sure, but Wheeler’s fantasy outlook for 2020 isn’t greatly altered by the move. He moves to a worse park but gets a markedly better defense supporting him. Neither bullpen was particularly good in 2019 and I actually expect both to improve in 2020, so let’s call that neutral.

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Cole Hamels could have signed with several different teams and help clarify the team’s rotation. Instead, he went to Atlanta and made a murky situation worse.

While Hamels has not been competing for a Cy Young for several seasons, he has been a production pitcher. Over the last 10 years, he has never posted an ERA over 4.20 (3.42 on his career) or threw fewer than 141 innings. The innings low point was this past season when he lost a month due to a strained oblique.

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The results from the Pitcher List Experts Mocks are in, and the consensus is that Walker Buehler will be a top five starting pitcher in 2020. He was the fifth starter taken in two of the three leagues and was the third starter taken in the third league. This coincides with the results of the 2 Early Mocks, in which Buehler emerged with the fifth-highest ADP among starting pitchers.

I don’t get it.
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It’s always fun to look back at early season performances that surprised and check on how those players performed the rest of the way. Did they continue to surprise or regress closer to what we expected to begin with? I would say that the majority of the time, it’s the latter. In early June, I identified and discussed six starting pitchers severely underperforming their SIERA marks that I believed to make for good acquisition targets. Remember that SIERA isn’t a projection, but rather backwards looking. So if the pitcher’s skills deteriorated over the rest of the season, he obviously would not have made for a good target. Let’s see how they performed the rest of the way.

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11/19/19

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NOTES ON TOP 50s

• Brandon Woodruff: excellent fastball, trusted as a workhorse before injury, 3.35 career FIP
• Max Fried: added slider, improved velo and control, GB lean
• Zac Gallen: 4-pitch mix, big swing-and-miss, career-long HR suppression
• Frankie Montas: premium velo, paired 2015-17 K% w/2018 BB%, new splitter, HR suppression
• Jesus Luzardo: elite prospect w/great K upside, strong 3-pitch mix, could face IP limitation

THE NEXT BIG PITCHER

• Joe Musgrove (5:00)
• Dylan Cease (6:25)
• Michael Kopech (12:24)
• Jose Urquidy (16:30)
• Griffin Canning (20:28)
• Sandy Alcantara (23:12)

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In Early May, I dove into the world of small sample size theater to discuss some of the statistical oddities that had occurred so far on the pitching side of the ledger. Let’s review how these pitchers performed the rest of the way in the metrics highlighted.

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