Archive for Starting Pitchers

Projection Accuracy: Late March Pitcher Rate Stats

I’m finally done crunching numbers (part 1, 2, 3, 4, 5, 6, 7, and 8) with late-season pitcher rate stats being the last to go. It’s so monotonous and painstaking, but I’ve learned a few things going through it all.  The Average rises to the top … again with several other projections popping to the top.

First, here are the projections analyzed.

  • Steamer (FanGraphs)
  • ZIPS
  • DepthCharts (FanGraphs)
  • THE BAT
  • Davenport
  • ATC (FanGraphs)
  • ZIELE (Fantasy Pros)*
  • Pod (Mike Podhorzer)
  • Masterball (Todd Zola)
  • PECOTA (Baseball Prospectus)
  • RotoWire
  • Razzball (Steamer)
  • Paywall #1
  • Average of the above projections

To create a list of players to compare for accuracy, I took the NFBC ADP (players in demand at that time) and selected all the pitchers in the top-450 drafted players (30-man roster, 15 teams in the Main Event) in ten or more leagues. Then I removed all the pitchers who never threw an inning. Read the rest of this entry »


2021 Pod Projections: Zach Plesac, A Review

Today, I share the final review of my pre-season Pod Projections posts. This time, we shift to a starting pitcher, Zach Plesac, whose original writeup is here. Plesac did post a sub-4.00 ERA during his 2019 debut, but it wasn’t backed by his skills, as he handily outperformed his ugly 5.13 SIERA. During the short 2020, he enjoyed a true breakout as his strikeout rate surged thanks to pitch mix changes. Let’s see how he did for an encore and how it compared to the projections.

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Projection Accuracy: Late March Pitcher Counting Stats

I’m on the home stretch with most of the comparisons (part 1, 2, 3, 4, 5, 6, and 7) already done. Today, the counting stats for the late-season pitcher projections taking center stage. The boys over at Razzball dominated most of the results with the aggregators coming in near the top … again (might be a theme).

First, here are the projections analyzed.

  • Steamer (FanGraphs)
  • ZIPS
  • DepthCharts (FanGraphs)
  • THE BAT
  • Davenport
  • ATC (FanGraphs)
  • ZIELE (Fantasy Pros)*
  • Pod (Mike Podhorzer)
  • Masterball (Todd Zola)
  • PECOTA (Baseball Prospectus)
  • RotoWire
  • Razzball (Steamer)
  • Paywall #1
  • Average of the above projections

To create a list of players to compare for accuracy, I took the NFBC ADP (players in demand at that time) and selected all the pitchers in the top-450 drafted players (30-man roster, 15 teams in the Main Event) in ten or more leagues. Then I removed all the pitchers who never threw an inning. Read the rest of this entry »


Justin Mason Starting Pitcher Ranks: 11/12/21

2021 is over and we turn the page to 2022. Here are my current ranks for the starting pitching position for 2022. I will post updates as things change with signings, injuries, or news in Major League Baseball.

See my other ranks here: https://fantasy.fangraphs.com/category/rankings/

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Comparing Underlying Metrics Between Pitchers Part II

We all look at underlying metrics when it comes to any player, but whether we like to admit it or not we still sometimes look at the basic numbers. For pitchers, while ERA and WHIP of course mean something, we all know they aren’t predictive at all. Yet sometimes they are hard to ignore and we think, “well he did have a great ERA.” As a fun little exercise, we are going to compare two pitchers at a time based on underlying statistics to see if we can push away some biases. It’s time for part two, let’s have some fun!

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Projection Accuracy: Early March Pitcher Rate Stats

I completed the counting stat analysis on early March pitcher counting stats after finishing the hitter projection comparisons (part 1, 2, 3, 4, and 5).  it is time for the pitchers to take center stage. For the first article, I’ll measure the accuracy of counting stats from early March. The results were mixed this time with the aggregators having a decent showing.

First, here are the projections analyzed.

  • Steamer (FanGraphs)
  • ZIPS
  • DepthCharts (FanGraphs)
  • THE BAT
  • Davenport
  • ATC (FanGraphs)
  • Pod (Mike Podhorzer)
  • Masterball (Todd Zola)
  • PECOTA (Baseball Prospectus)
  • RotoWire
  • Razzball (Steamer)
  • Paywall #1
  • Average of the above projections

To create a list of players to compare for accuracy, I took the TGFBI ADP (players in demand at that time) and selected all the pitchers in the top-450 drafted players (30-man roster, 15 teams in the Main Event) in ten or more leagues. Then I removed all the pitchers who never threw an inning. Read the rest of this entry »


Potential 2021 Starting Pitcher Walk Rate Surgers, A Review

Yesterday, I reviewed my comparison of starting pitcher spring training strikeout rates to Steamer projected strikeout rates and the list of pitchers with potential strikeout rate upside this past season. Now, let’s review the list of potential walk rate improvers based on the gap between spring walk rate and Steamer projected walk rate. Was Spring the first hint at an improved walk rate than expected? Let’s find out.

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2021 Peripheral Prospect Shortlist: Pitchers

Recently I published my Peripheral Prospect hitters for 2021. In a perfect world I would have published my thoughts on a wider array of hitters periodically throughout the season. Alas, this is not a perfect world, so I settled for a year-end catch-all post.

Rinse and repeat for pitchers. The rules: (1) They pitched in the high minors (Double-A or Triple-A) but not the MLB level, and (2) they cannot be featured on any prominent top-100 list. Top-100 updates count (and all due respect to those updated lists, because revising your priors is not a bad thing!).

Brace yourselves: I’m kicking this off with three Cleveland farmhands with whom I implore you must familiarize yourself. Eight Peripheral Prospect pitchers for your fine Wednesday:

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Potential 2021 Starting Pitcher Strikeout Rate Surgers, A Review

At the end of March, I shared a list of starting pitchers who posted the largest gaps between their Spring K% marks and their Steamer projected K% marks. A many years old study I conducted confirms that Spring strikeout rate does convey meaning, so while 99% of Spring stats should be ignored, strikeout rate isn’t one of them. Small sample sizes and uneven competition caveats still heavily apply, though. Let’s find out how these Spring strikeout rate surgers actually performed. How many, if any, beat their Steamer projected strikeout rates?

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2021 Pod vs Steamer — ERA Downside, A Review

Yesterday, I reviewed the list of eight starting pitchers my Pod Projections were more bullish on ERA than Steamer. Today, let’s now flip to the starting pitchers I was more bearish on, suggesting downside versus Steamer. Overall, the Steamer ERA projections were more pessimistic than mine, so the gaps between the upside pitchers were much larger than the gaps between these downside pitchers. That means this list is more of a crapshoot. Let’s check out the results.

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