Salah, who now plays for Liverpool, shined upon moving to Italy scoring 35 goals in 81 matches with Fiorentina and AS Roma.
Lukaku has been nursing an ankle injury but was sent on as a substitute by Roberto Martinez in the second half of Belgium's dead rubber World Cup qualifier against Cyprus.
Also with Marouane Fellaini out injured from an injury on worldwide duty with Belgium, Mourinho will want Lukaku to be rested and be prepared for the match against Liverpool. We don't cry with injuries. We don't cry with injuries.
"It wouldn't be the right example to my players to prepare the Liverpool game in one way and then to prepare for next week's trip to Huddersfield in a different way", he added.
Manchester United's head coach Jose Mourinho praised the way Egypt's winger Mohamed Salah has developed following his short spell with Chelsea all through to leading his national team to the World Cup for the first time in 28 years. With Martinez declaring that Lukaku is a 100 percent fit to start, Mourinho will certainly hope that the injury gods don't conspire against him with Marouane Fellaini out for 3 weeks with a knee injury.
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Well, according to The Times, Mourinho is "dismayed" with Martinez's decision to play Lukaku despite his recent ankle injury.
Chelsea's two-time Player of the Year, Mata, was soon usurped by Oscar after Mourinho's return to the club at the end of the season. The United manager stated that his side has already defeated teams they failed to win last season including Everton and West Ham.
"And [for] our way of thinking and feeling, it's no problem". We just trust the players that are going to help'.
Victory against Liverpool, who are without Sadio Mane after the forward was injured playing for Senegal, would mean United's best ever start to a Premier League season.
They face seventh-placed Liverpool on Saturday.