The formal United striker has been in form since leaving for Bayer Leverkusen in summer.
Hernandez joined United 2010, and scored 37 league goals in 49 games for the club.
The Mexico  international has scored 10 goals in 11 league games for Beyer Leverkusen, with United struggling with  just 10 goals.
Van Gaal told Hernandez he only had a 1% chance playing as a striker, so he opted for Real Madrid on loan.
He went on loan to Real Madrid and then returned back,which he claimed it wasn’t a difficult situation.
Hernandez joined United when Alex Ferguson was in charged, but saw his playing time reduced when Van Gaal took over.
“I am so grateful to Fergurson, and i believe he his the best manager in history”, – Â “he said “.
“Every player has a place, and a low performing player could still play 15 games a season .”
