sandro , a 24-year-old brazilian left-back , is wanted by juventus too while paris st germain and bayern have an interest in algeria winger brahimi , 25 .
porto in action against bayern munich having sent scouts to watch them in the first leg in portugal last week .
city are also keen to revamp their squad yet again when the summer transfer window opens in june .
city are currently fourth in the table with 64 points from 33 games .