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Wednesday, July 10, 2019

Poll 2019: Which Group of Pitchers Performs Better? | RotoGraphs Fantasy Baseball

Unlike in some previous years, these are wildly different groups. Group B (the underperformers) has posted a significantly higher strikeout rate than Group A (the overperformers), while also walking a lower percentage of batters. However, Group A has induced a higher rate of grounders, which is important in a time with a historically high rate of homers per fly ball. The groups have posted nearly identical IFFB% marks.

Not surprisingly, massive differences exist in the three luck metrics — BABIP, LOB%, and HR/FB rate. Even though grounders go for hits more often than flies, Group A has allowed a well below league average BABIP. They did post a lower line drive rate, but only marginally, and not nearly enough to explain the BABIP discrepancy. Group A has also had a much easier time stranding baserunners, or enjoyed better bullpen support if they left runners on when departing the game. Lastly, Group B has been crushed by this insane power surge, while Group A is thinking, “what surge?”.

Overall, SIERA suggests that Group B represents a significantly better mix of pitchers than A, yet their ERAs tell the opposite story. Which group performs better over the rest of the season? Let’s get to the poll questions. Feel free to share your poll answers and why you voted the way you did.

Jim Furtado Posted: July 10, 2019 at 08:44 AM | 0 comment(s) Login to Bookmark
  Tags: projections

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