Diamondbacks | Rosales adds several miles per hour to fastball

The Arizona Republic's Nick Piecoro reports Arizona Diamondbacks RP Leo Rosales was typically throwing between 92 and 94 mph, and even reaching speeds up to 95 mph, while pitching in Mexico during the winter. According to FanGraphs.com, his average fastball was 89.5 mph last season. Rosales is out of minor league options and competing for a spot in the bullpen.

2010-02-21 10:37:22 | Source:

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