Shkodran Mustafi hopes Alexis Sanchez will stay at Arsenal despite interest from Bayern Munich and Manchester City in the wantaway forward.
The pair went head-to-head in Chile's 1-1 draw against Germany in the Confederations Cup on Thursday.
'I have no idea. Obviously the other players cannot make that decision, he has to make that decision,' the centre-back told Omnisport after Germany booked a semi-final tie against Mexico with a 3-1 win over 10-man Cameroon in Sochi.
'I'm not too much involved.