Graves's biggest challenge will come after this season, when 4 starting players will be unrestricted free agents, as well as 3 or 4 more important depth players. And several other players will be high-value RFAs.
Even if the Cards perform to a playoff level, the 2009 offseason could mirror the 1998 offseason.
I think this gentleman might have something to say about this situation, but it can't be repeated on a family message board:
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You need to keep in mind that if the Cards have a good year and it looks like a legitimate shot at a SB in the very near future, people will be clamoring to get onto this team and the current team members won't be so eager to leave. That should help with the retention/acquisition situation.