"I don't think it will be a problem to adapt to life in Portugal and the possibility to play in the Champions League appeals."
Caicedo, who has scored seven goals in his 35 appearances, is the second City striker to go out on loan this summer after Brazilian Jo was allowed to return to Everton, where he spent the second half of last season.
And although City are set to lose another striker in Ched Evans, who is set to move to Sheffield United, they still have plenty of attacking options.
As well as their new signings, City can call on Robinho, Craig Bellamy, Valeri Bojinov and Benjani.
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