Chacon played catch Tuesday and will likely start _ barring any setbacks _ Sunday in Cincinnati. If his sore right knee experiences a setback, RHP Victor Santos will start in Chacon's place.
(Updated 8/16/2006)

Analysis: Chacon is 6-4 with a 7.36 ERA, allowing hitters a .303 batting average and 14 homers in 13 starts and six relief appearances this season.