Tigers | Rick Porcello may be overthrowing
Detroit Tigers manager Jim Leyland thinks SP Rick Porcello might be overthrowing, which has caused his slider - mostly - to become ineffective. The average velocity on Porcello's fastball and sinker are both up around two mph, but C Alex Avila doesn't think Porcello needs to overthrow to be effective, either.
2012-05-17 11:43:52 | Source: MLB.com - Jason Beck
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