*he sometimes throws a two-seamer, but it's rare. Also of note is that his changeup looks more like a traditional slider than a changeup.
Through his first three starts, the fastball is back to its 2008-2009 rate, but the changeup is still about where it was last year. In response to the question posed as the title of this post: it's impossible to know this early in his season. We'll need more data to determine whether the A's are getting the 2008-2009 Rich Harden or the 2010 one.