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Stat of the day: AFL fastball velocities

Nov 24, 2009, 5:51 PM EST

Very cool stuff from Baseball America, which has gathered Pitch F/X data from the recently completed AFL season. Here were the league’s 10 hardest throwers, as ranked by their average fastball velocity (for a complete listing, check out their blog.
1. Stephen Strasburg (Nationals) – 96.8
2. Sergio Santos (White Sox) – 96.0
3. Tanner Scheppers (Rangers) – 95.9
4. Phillipe Aumont (Mariners) – 94.9
5. Drew Storen (Nationals) – 94.8
6. Kenley Jansen (Dodgers) – 94.8
7. Jenrry Mejia (Mets) – 94.5
8. Scott Mathieson (Phillies) – 94.5
9. Blake Wood (Royals) – 94.4
10. Craig Kimbrel (Braves) – 94.4
Besides Strasburg, of course, many of these pitchers are relievers. Aumont and Storen are two of the game’s very best relief prospects, and both should reach the majors in 2010. Kimbrel isn’t all that far behind. Two of the remaining relievers are former position players: Santos was a former first-round pick of the Diamondbacks as a shortstop and Jansen was a catcher for the Netherlands in the World Baseball Classic.
The most encouraging results were from Scheppers and Mathieson. Scheppers was a clear first-round talent in both the 2008 and ’09 drafts, but teams were uncertain about his shoulder. He signed with the Rangers in September after going 44th overall in this year’s draft. Mathieson has been a prospect forever, but he’s dealt with numerous arm problems. That he put together such a good showing in Arizona caused the Phillies to put him back on their 40-man roster, and he might be a possibility for their pen in May or June.

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