09/22/2006 12:00AM

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Jockey Dennis Carr suffered a fractured collarbone and bruising to the neck when his mount, I.R. Sweet, fell on the turn in the sixth race at Golden Gate Fields on Thursday. Carr is expected to miss four to six weeks. . . . . Churchill Downs Inc. has instituted free online race replays for all its tracks. The replay videos will appear on the Churchill tracks' websites approximately 10 to 15 minutes after the end of a live race.