Hector Bellerin put Arsenal ahead shortly after half-time but Eddie Howe's side mounted an impressive comeback, scoring twice in five minutes through Callum Wilson and Jordon Ibe.
Mkhitaryan has since returned to the fold, but United are aware of Wenger's admiration of the attacking midfielder and his involvement in the Sanchez pursuit could hold the key to United beating City to the forward.
"He's being vague at the moment".
"His situation is not decided one way or the other so I left him at home", said Arsenal manager Arsene Wenger.
The Mirror says Mourinho has told Woodward he has no intention of walking out on a contract that would still have two-and-a-half years to run if United take up a 12-month extension option.
Markram falls short of century in second India Test
Ashwin was the only Indian bowlers who looked threatening as he finished with three wickets on the first day wicket at Centurion . It will now be exciting to see if the South African pace battery manages to make inroads into the Indian batting line-up.
Sky Sports News understands United are interested in beating local rivals Manchester City to the signing of Sanchez this month, and it emerged on Friday that City are not prepared to pay Arsenal's £35m valuation.
Arsenal do not yet have an agreement in place to sign Bordeaux forward Malcom.
So, when it emerged Sanchez has been left out of the squad, United supporters were quick to express their excitement on Twitter...
"Don't read too much into it because even I don't know which way it will go".
Malcom has scored seven goals and made four assists in 18 Ligue 1 games for Bordeaux so far this season.
Arsenal came close after eight minutes as wing-back Ainsley Maitland-Niles struck the bar with a curling shot.
Arsenal broke the deadlock seven minutes after the restart.