We are covering the probable starters and highlighting our favorites to stream as you chase down your fantasy titles. Here is Thursday’s slate. The pitcher in question must be available in 50% or more of leagues according to FantasyPros.com which combines ESPN and Yahoo! roster rates (sometimes exceptions just over 50% will be mentioned if they are really good and should have a much higher roster rate). The pitchers are in order of how I’d rank them.

Hell Yea

Chris Bassitt vs LAA (45%): While Bassitt has had some luck (.257 BABIP), he’s not been horrible in any one category (3.67 ERA, 1.19 WHIP, 8.2 K/9, 9 Wins). He’s on a good team facing a below-average one. He’s what owners should like for in a streamer.

Logan Webb at STL (10%): I’m not a fan of his supporting cast, but Webb might be must-start for the rest of the season. His 9.4 K/9 and 2.4 BB/9 are supported by his minor league stats. His 56% GB% is near elite and it’s impossible for ground balls to fly out as a homer. I know it’s only been three starts for him but with the lack of starting pitching, he needs to be owned in every league.
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Down the stretch, we’ll be covering the probable starters and highlighting our favorites to stream as you chase down your fantasy titles. Let’s get started with Wednesday’s slate. The pitcher in question must be available in 50% or more of leagues according to FantasyPros.com which combines ESPN and Yahoo! roster rates (sometimes exceptions just over 50% will be mentioned if they are really good and should have a much higher roster rate).

Edwin Jackson (3-8, 9.35 ERA) at KC | 0%: No, of course not.

Jakob Junis (8-12, 4.93) v. DET | 17% roster rate: Just about anyone facing the Tigers is going to be a “yes”. While Junis has a near-5.00 ERA on the season, he’s down at a passable 3.96 over the last 10 games with 59 strikeouts, 17% K-BB, and 1.26 WHIP in 61.3 innings. He hasn’t allowed more than 4 ER in any of those starts, including a 6 IP/2 ER/6 K gem against these Tigers back on August 11th.

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If there were ever a baseball question that keeps me up it night, it’s this: how do the physical properties of pitches affect batted ball outcomes? Many researchers have tackled the subject with varying degrees of success and elucidation. My attempts have focused primarily on a pitch’s ability to generate swinging strikes and ground balls, the first of which used pitcher-level PITCHf/x data while the more recent of which used individual pitch-level Statcast data.

While modeling whiffs and grounders is interesting (and important, too), something strikes me as much more compelling and confounding: the relationship, if any, between a pitch’s physical properties and its batted ball outcomes, whether described as exit velocity, launch angle, or total base-run value allowed, as measured by weighted on-base average (wOBA) or even expected wOBA (xwOBA).

The ability to prove “contact management” as a legitimate and shared pitcher skill has long eluded the Sabermetric community. Assumptions of a league-average batting average on balls in play (BABIP) and, for xFIP, home runs per fly ball (HR/FB) pervade the common ERA estimators (FIP, xFIP, SIERA) we use to gauge talent and assign value. Those assumptions regarding BABIP and HR/FB imply a pitcher’s inability to control them — and there isn’t much evidence to suggest otherwise.

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8/21/19

The latest episode of “The Sleeper and the Bust” is live. Support the show by subscribing to Fangraphs! With a standard $20 membership, you help maintain and improve our database of stats and graphs as well as our staff of 8 full-time employees and over 50 contributors. The premium ad-free membership at $50 year supports site growth and also includes faster load speeds and better site performance. You can also support monthly for just $3.

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• @sporer – Host
• @justinmasonfwfb – Co-Host/Producer

SPS ON FIRE SINCE THE BREAK:

• Ryan Yarbrough (1:40)
• Cal Quantrill (8:35)
• Zac Gallen (17:50)
• Chris Bassitt (28:00)

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Last week, I tried to find any positive mid-season changes a pitcher has implemented to improve their fantasy stock for the final few weeks. I started with pitchers owned in 16% to 30% of Fantrax leagues and will now be digging even deeper after Mike Montgomery popped up on my radar as someone making positive skill changes.

A pitcher I targetted this FAAB period was the Royals Mike Montgomery. With the Royals, he's improved his ERA, K's, BB's, and GB% by changing his pitch mix

He's increased his cutter (12% SwStr%) usage from 4% to 20% and dropped his sinker (6% SwStr%) usage from 35% to 22%

— Jeff Zimmerman (@jeffwzimmerman) August 19, 2019

Jordan Zimmermann (16%): Whoa, he’s changed his arsenal around with a mid-season introduction of a sinker (11% SwStr%, 69% GB%). It’s tough to buy too much of the change since he has a 6.29 ERA in the season’s first half and 7.31 ERA in the second half. It wasn’t until the last four starts when he started using his sinker even more (14% usage) and therefore has a 4.35 ERA, 7.4 K/9, and 0.9 BB/9.

Also, August was the first month he threw his slider (40%) more than his four-seamer (36%). He pulling out all the stops to remain relevant. Even with the changes, he’s likely a 4.25 ERA pitcher at best but in some leagues, that production level is useful.
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Trevor Bauer, the National Fantasy Baseball Championship’s No.-9 starting pitcher and No.-31 player overall, has pitched to the tune of a 4.12 ERA this year. All things considered (“things” being, primarily, the juiced ball), Bauer hasn’t been awful. But after compiling a pristine 2.21 ERA in last year’s breakout with equally pristine ERA estimators to boot (3.14 xFIP, 3.21 SIERA), this year’s peripherals (4.35 xFIP, 4.21 SIERA) are far less inspiring, even when adjusted for context.

The easiest way to write off Bauer’s 2018 season as an aberration is, well, to look at everything else he has ever done. He sports a career 3.97 ERA, with just one season (2018) with an ERA under 4.00. The blind squirrel who took an approach as simplistic as this in 2019 would have invariably found a nut.

Such an approach, however, would grossly undersell Bauer’s gains in 2018, which were quite legitimate. Using the most basic of peripherals, Bauer’s swinging strike rate (SwStr%) took the best 3rd-biggest step forward in nominal terms, behind only Patrick Corbin (and his slider) and Gerrit Cole (and his fastball).

Yet 2018 gains do not necessarily beget sustained excellence. Bauer’s narrative is a fairly complex one, so let’s give it proper attention.

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When Julio Teheran takes the mound against the Mets at SunTrust Park on Thursday night, he will be looking to extend a hot streak that extends back to the beginning of July. Over his last seven starts encompassing 42.1 innings, Teheran has registered a 1.91 ERA and a 1.06 WHIP. Since July 1, Teheran ranks 30th in Roto value among starting pitchers (per CBSSports.com rankings), and he would place in the top 20 if not for inconsistent run support and a Luke Jackson blown save that cost him a win against the Nationals on July 19. Despite excellent ratios, Teheran is just 2-1 over this stretch.

When a pitcher gets more strikeouts and reduces walks and home runs, an increase in fantasy value is to be expected, and Teheran has recently been accomplishing all three things. The decrease in his walk rate is the most dramatic of the improvements and also the most needed. Over the preceding season-and-a-half, Teheran’s walk rate was a lofty 11.7 percent, but over his last seven outings, that rate is a slightly-below-league-average 8.1 percent. He did not have a home run problem over the first three months of this season, as evidenced by his 1.05 HR/9, but since then, he has been even better at keeping the ball in the park with an 0.85 HR/9.
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I recently did a solo pod covering my top 30 and I made some mistakes. I didn’t include Madison Bumgarner in the honorable mentions and I forgot to transfer Jose Berrios from the scrap list to the main one I used on the pod (that’s what I get for using two different files). I decided to do a write up and get a bit deeper on the ranking. There are a lot of changes! If you listened to the pod, have fun finding all the differences.

Obviously, they are going to change even more as the season finishes and we get into the offseason, but I was somewhat surprised at how much I changed things over the course of two days just by doing some deeper research. Maybe that’s not surprising at all… of course more research should influence my thoughts on these guys. Anyway, let’s get into it!

Let me know what you think in the comments. There are 52 names listed with the Honorable Mentions (and yes, the HMs are ranked, unlike on the pod), did I miss anyone that has to be within the top 52? As for ranking disagreements, I’m particularly interested in the sharper disagreements (like 7-10 spots). Flipping #22 and #25 is more a personal preference but thinking #30 should be at #19 or something like that is worth some discussion.

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Every week for Sportsline, I write an article on available starting pitching and I lucked into a nice find. Using the criteria of owned in 60% or fewer leagues, increasing ownership, and they’ve never been profiled, Joe Ross met the criteria. I noticed Joe Ross reinvented himself as noted here by MLBDream.

Joe Ross throwing a curveball [h/t @jeffwzimmerman] and upping his sinker usage

👀 @JSpauny 👀 pic.twitter.com/LtkrEQc1CI

— MLBdream (@MLBdream) August 14, 2019

Today, I going to go through some lowly owned starters (in the majors and not on the IL) and see if any have made any positive or negative changes to their repertoire to utilize for the final quarter or the season. I’m going to look at pitchers owned in 16% to 30% of Fantrax leagues (Joe Ross was at 31% ownership).

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A group of guys who’ve shown some improvement lately and could have more success on the horizon. Note to my deep league managers, this group is mostly available in shallower formats (all are sub-50% on FantasyPros, which blends Yahoo! and ESPN).

Jeff Samardzija | San Francisco Giants

The Shark has rediscovered his teeth this year. After an injury-riddled 10-start lost season in 2018, Samardzija was an afterthought in 2019 drafts going in the 20th round or later. He got off to a fast start in April (2.53 ERA), but then saw his HR issues return in May and June (1.9 HR/9), posting a 5.75 ERA and winding up on waiver wires across the fantasy community.

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