Martial's future with the club was already in question prior to this situation, having seen his playing time drop after Jose Mourinho took over for Louis Van Gaal following the 2015-16 season. "He is an honest man, always ready to give everything for the team".
"Maybe it is a step for me to know the players more than anything".
Imposing Leicester centre-back Harry Maguire and Tottenham's Toby Alderweireld have been strongly linked with a move to Old Trafford, as have a variety of other defenders.
Manchester United boss Jose Mourinho paid tribute to his players after ending their USA tour with victory over Real Madrid. "I know the one who are ready for anything, and I know the ones who are not ready".
"So, in fact, we have one new player which is Fred so of course our team is not going to be very different".
Israel strikes Hamas targets in Gaza after troops attacked
Israel rejects the widely held view that settlement expansion is one of the greatest obstacles to peace with the Palestinians. Some 300 Palestinians - majority assailants, Israel says - have also been killed in that period, according to news agencies.
Jose Mourinho has said that he is "confident" of bringing one more player to Manchester United in this summer's transfer window.
"Let's look at it from a positive side and wait for [Victor] Lindelof, Rashford, Lukaku and Jones, which are going to be four important players for us, not prepared but they will be back and that's the spirit we need".
"We go to Munich in a few days and we start the Premier League in nine days".
"We were just trying to survive and have the best possible results, but as I was saying to the players, some of my players will be in an unbelievable condition".
The Portuguese has been without 12 key players for most of the tour with many enjoying an extended break following the World Cup.