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Bush decision could put spotlight on Thomas

Pregame before today's Dolphins game at Arizona will be interesting because the decision whether to play running back Reggie Bush will truly be made then, I'm told by a source.

I expect Bush, the Dolphins leading rusher, will try to be active for the game and in his usual starting role. But one never knows after a cross-country flight and sleeping in an unfamiliar bed how the knee he injured last week against the New York Jets will react. I told you last week Bush would miss one game at worst.

The Dolphins are hoping it doesn't come to that worst-case scenario. So come back here for the update.

If Bush is unable to play it will put much pressure on reserve Daniel Thomas, who is among the players I write in my column today that need to start performing better than they did the first three games of the season.

Today marks the NFL season's Week 4  and that means one quarter of the season will be done after today.

But with that marker looming, the Dolphins are needing and hoping for more production out of Thomas, out of Ryan Tannehill, out of Cameron Wake, and out of Richard Marshall. All of them are starting players. All of them have done some good things.

The Dolphins simply need them to deliver better than they have so far if the team is to stay anywhere near .500. The Dolphins need improvement from all of them and that's fair because all are capable of playing better.

Why is improvement so important from those guys?

Well, as I report in the column, we should not expect a cavalry charge of talent to be added via trade the rest of this season. So forget that idea of adding a last-minute receiver gifted to Miami by some other team before the trade deadline.