Delonte West has suffered from the worst kind of underexposure. Like the rest of the Celtics reserves, the guard underperformed during the team's four-game sweep of the Knicks in the first round and is looking to re-establish his rhythm against the Miami Heat. But West's recent struggles are very understandable, according to general manager Danny Ainge. Blame it on Rajon Rondo's recent surge. "When Rajon is playing at the level he was playing at in the New York series, it's hard for his backup to get into any sort of rhythm," Ainge said before yesterday's practice. "I don't worry about that. If Rajon was hurt, and Delonte played 25 minutes and played poor, then you could say he didn't play very well. If Paul Pierce was hurt and Jeff Green played 28 minutes and didn't really produce, then I would say Jeff Green didn't play very well. But in the short minutes and the roles that they're playing, I think they've had good moments and bad moments, which is consistent with all benches. "In this series where both teams have terrific benches, getting a boost from the bench can be huge, but both teams are relying dominantly on the seven All-Stars in this series."