Last October gave us the postseason of the curveball — of the breaking ball, in general. The Indians, among others, navigated their way through the playoffs with an increasing reliance on breaking pitches. A combination of Andrew Miller’s slider and Corey Kluber’s breaking-ball combination nearly delivered a World Series title for Cleveland.
These playoffs have been different, however. This year, the fastball has been king.
The current postseason began, of course, with a Yankees club employing a fastball that averaged 98 mph against the Twins in the Wild Card game. Other pitchers, other teams have increasingly relied upon the pitch, as well. Consider, for example, that, through Tuesday, fastball usage was up seven percentage points from last postseason. While the postseason does, by nature, produce a smaller sample of data and a varying pool of teams from year to year, we haven’t seen a continuation of last year’s trend in terms of breaking-ball usage.
The Postseason Fastball in Statcast Era
Year |
Total FT and FF fastballs |
Average FB velocity |
Average spin rate |
%. of total pitches |
2015 |
4869 |
94.2 |
2233 |
46.9 |
2016 |
4350 |
94.0 |
2340 |
42.6 |
2017 |
3944 |
93.9 |
2289 |
49.9 |
SOURCE: Statcast via Baseball Savant
Yes, it helps to have Justin Verlander and Luis Severino on the mound in October to boost fastball usage.
On Saturday, Verlander — whose velocity is back — shoved 71 four-seam fastballs. The pitch averaged 96.1 mph and the 71st traveled out of his hand at 96.7 mph. Severino, for his part, has displayed an electric arm for much of the postseason and is quite possibly the best AL pitcher not named Kluber or Chris Sale.
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