How Often Does That Happen?

Rickie Weeks hit the first pitch of today's game for a home run.

The last time a Brewer did that was May 17, 2005 by Brady Clark off of Claudio Vargas. Fernando Vina did it on June 28, 1996 off Juan Guzman. Paul Molitor did it twice - once each in 1991 and 1888. Before that, there aren't a lot of pitch-by-pitch records of games.

So it happens, but it's very rare.