HQ Pitcher Matchups Tool

For maximum flexibility when printing, mark the chart with your cursor, and cut/paste into MS Excel.



Our Starting Pitcher Matchup Scores algorithm has been completely revamped for 2018. Based on this research piece from Arik Florimonte, we now calculate a pitcher's individual Matchup Score for a single start by first calculating an individual score representing his potential performance for each rotisserie category, and then rolling those into an overall rating for the day's start. 

This rating assesses each starter's outlook on a given day, taking into account the pitcher’s inherent ability, recent performance, strength of defense, ballpark, and opposition’s offense recent history.

There are roughly 150 starting pitchers in MLB rotations at any given time. For different league sizes, we can estimate the number of SP in the useable pool, and then determine the overall ratings that correspond to worst, 25th percentile, median, and 75th percentile SP.

                               Overall SP Rating
                   SP       by SP league percentile
League size       Pool*     .00    .25    .50    .75
==============    =====    ====   ====   ====   =====
12-team “only”     120     -.73   -.22   +.22   +.74
10-team “only”     110     -.54   -.11   +.30   +.79
20-team mixed      110     -.54   -.11   +.30   +.79
15-team mixed      105     -.46   -.05   +.34   +.82
12-team mixed       80     -.07   +.22   +.55   +.97
10-team mixed       60     +.22   +.46   +.74   +1.12

So if you’re in a 12-team “only” league, the median start should have a rating of about 0.2. The 120th start is around -0.7. In a shallower, 15-team mixed, the median start is 0.34 and a top pitcher +0.82.

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