Is anyone worried about Jon Lester's decreasing velocity since 2011 started? His average FB velocity is 2009 and 2010 was 93.5 MPH, but last year that dipped to 92.6, and it his first start the average velocity was 91.4 MPH?
2009 and 2010 were Lester's best years, IMO.
http://www.fangraphs.com/pitchfx.aspx?playerid=4930&position=P