Bellamy should have done better when he was sent clear by Tevez after 54 minutes.
He sent a wayward effort wide with both Tevez and Emmanuel Adebayor well placed in the middle.
Argentina's miserable night was summed up when Tevez had an 80th-minute effort ruled out for offside.
Carlos Tevez hit the post in the 80th minute with an eight-yard snap shot.
Santa Cruz side-footed City into the lead before Carlos Tevez's 12th-minute penalty doubled their advantage.
Tevez was fouled by Dawson for the free-kick that he converted to extend West Ham's lead.
The first half saw Tevez, Aleksandar Kolarov and Johnson produce hopeful and ineffectual pot-shots for City.
Carlos Tevez went close before setting up Eagles to head United back on terms.
In fact, City are yet to lose a league game in which Tevez has scored.
Tevez is always on the move and and available, constantly giving the opposition a headache.
"There is a big difference between City with Tevez and without him, " said Rosler.
Argentina forward Tevez has returned to training after having a transfer request rejected last weekend.
Carlos Tevez saw it, jumped off the ground, he's the one who left both feet.
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Ferguson can pick from Wayne Rooney, Cristiano Ronaldo, Ryan Giggs, Nani and eventually Tevez, up front.
City's best chance came in the 30th minute when Tevez was teed up about seven yards out.
Striker Carlos Tevez was quoted in the Guardian claiming team-mate Evra was subject to a "grave insult".
Ferguson made a change and put Carlos Tevez on and all of a sudden they were transformed.
The settlement ends the threat of High Court action between West Ham and Tevez's representative Kia Joorabchian.
Nemanja Vidic and Tevez both wasted good headed chances before Quartey made the breakthrough from the spot.
United chief executive David Gill has expressed his confidence that Tevez will eventually become a United player.
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Tevez turned in Nedum Onuoha's header then, after Cameron Jerome's nodded reply, Adebayor finished a neat move.
Villarreal keeper Diego Lopez looked uncertain, and he was called into action to save efforts from Nani and Carlos Tevez.
He then combined brilliantly with Rooney to set up Tevez after 71 minutes, but Gonzalo Rodriguez cleared off the line.
But West Ham insist every document regarding them and Tevez has already been scrutinised by the Premier League.
After Ronaldo had put United ahead, Tevez rattled the crossbar before scoring to effectively end the City challenge.
Mr Lewis said the theory test will be problematic for Tevez as it is normally conducted in English.
Tevez insisted the incident was a misunderstanding, claiming he refused to warm-up because he had already done so.
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It was the last contribution by the Brazilian forward as he made way for Tevez to make his debut.
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Carlos Tevez to Milan, Tevez to Inter, Tevez to PSG, Tevez to anywhere?
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His team thrashed struggling Wolves 3-0 at Molineux with Carlos Tevez scoring twice.
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