FG on Fox: What to Expect from David Price

On Tuesday night, the Red Sox made David Price the highest paid pitcher in baseball history. Dave Dombrowski is clearly a Price fan, having previously traded for him while running the Tigers, and made good on his stated desire to bring a #1 starter to Boston. Of course, at $217 million over seven years, Price certainly isn’t coming cheaply, and the Red Sox throwing money at free agents certainly didn’t solve their problems a year ago, so it’s fair to be somewhat skeptical of this kind of team-building approach. But, rather than simply paint with broad strokes, it’s instructive to look at how pitchers who have performed similarly to Price have fared during the same stretch of their careers as the Red Sox just signed Price for.

To identify a list of similar pitchers, I used the FanGraphs leaderboard to identify pitchers in the last 20 years who had compiled between +26 and +34 WAR in their age-24 through age-29 seasons; this gives us a group that approximates the +30 WAR that Price put up during his six years as a full-time starter. Nineteen pitchers have accomplished this feat, Price included, though a couple of them — Felix Hernandez and Clayton Kershaw — are present-day peers, and thus, don’t have anything to tell us about how pitchers like this perform in their early 30s. So, excluding those two, we’re left with 16 pitchers who were comparably dominant during their 24-to-29 seasons.

How’d they do from ages 30 through 36? Well, take a look.

At the top, we see four very obvious success stories, with Mussina, Halladay, Pettitte, and Smoltz all maintaining their dominance, putting up performances as good or better than they did early in their careers. This is the kind of performance the Red Sox are clearly hoping for, and if he pitches like any of these four, this will go down as maybe the most successful free agent pitcher contract in baseball history. These four represent the best case scenario, and show that yes, it is indeed possible for a pitcher to maintain greatness even after turning 30.

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