The Mexican striker, who spent last season on loan at Real Madrid, has been praised by the Bayer chief after scoring 10 goals already this term.
Bayer Leverkusen CEO Michael Schade says Javier 'Chicharito' Hernandez has "exceeded all expectations" so far this season after signing from Manchester United .
The Mexico international joined the Bundesliga side for a fee reported to be just over 8 million euros ($8.6M) in August after struggling for form and fitness at Old Trafford over the previous two seasons, spending much of last term on loan at Real Madrid.