I think it is Dolan who is uncharacteristically stingy this year, given Isiah's job is under scrutiny he wouldn't mind spending but it seems Mr $$$ is not agreeing.
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I don't think that's necessarily true. Dolan did let Isiah spend $30MM on Jeffries. After convincing Dolan that it was all Larry Brown's fault last year and that the team Larry was given was good enough to win with, Dolan is holding Isiah to that. But Isiah has had the advantage of adding defensive minded players like Jeffries and Balkman to the team that Larry was supposed to have won with.
Sure Isles but 30MM in Dolan country is stingy, he has spend a billion in every previous year. We'll see, the end of the trading deadline is approaching and the knicks are still out of playoff contention so Isiah might try to convince Dolan again. The problem is that one gets scared of Isaiah's trades, for one or other funny reason he'll go after Ray Allen and trade Lee and Curry for him.