Yes, Prior went #2 though.
Last 10 pitchers picked #1:
David Price, TB (2007)
Luke Hochevar, KC (2006)
Bryan Bullington, PIT (2002)
Matt Anderson, DET (1997)
Kris Benson, PIT (1996)
Paul Wilson, NYM (1994)
Brien Taylor, NYY (1991)
Ben McDonald, BAL (1989)
Andy Benes, SD (1988)
So yeah, not the best track record.