Estrada is listed as day-to-day by the Diamondbacks after leaving Monday's 15-4 win over the Chicago Cubs with an upset stomach. Chris Snyder took the catcher's place behind the plate and went 0-for-3 with a walk and a run in the win.
(Updated 8/1/2006)

Analysis: Estrada is hitting .317 with eight homers and 54 RBIs in 83 games for the Diamondbacks this season.