Manchester City are likely to go after Eliaquim Mangala again this summer.
City were keen on the FC Porto centre-back in January but failed with a deadline day move which also included Brazilian midfielder Fernando.
City's sporting director Txiki Begiristain reportedly watched Mangala score in Porto's 1-0 Europa League quarter-final first leg win over Sevilla on Thursday night which is sure to enhance the potential of a £20million move at the end of the season.
23-year old Frenchman Mangala joined Porto from Standard Liege in 2011 and has since become an integral part of the Dragons' line-up.
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