Does Uk Embassy Accept Co-sponsor For Student Visa?

Hi Guys,
I am in the process of applying for a british student visa soon.I have previously applied  and was denied for their usual reasons.
However,my situation is thus: Does The embassy accept Co-sponsors for student visas? because my dad and my uncle resident in u.s.a wants to sponsor me both.My thoughts are that if i combine the sponsors,maybe i stand a better chance.
Please advise.My uncle already sent his bank statements,US Tax returns,affidavit of support,copies of his u.s passport,his job documents etc.
please advise