Hernandez has already had a taste of Clasico controversy, having officiated the 2-1 win for Real Madrid at Camp Nou last season - a match which ended Barcelona's 39-game unbeaten run.
Madrid will be looking to a rejuvenated Cristiano Ronaldo, who has scored five in his last two appearances and netted his 100th Champion League goal with a hat-trick against Bayern Munich on Wednesday. In any case, if he doesn't, Zidane will not rush him and will wait some more time to have him completely ready for the Champions League semifinals.
If the three points go to the team playing with confidence and belief, the team in form, then victory will be Real Madrid's. Just a few hours after the Catalan club announced they would appeal Neymar's three-game-ban, the appeal did not reach CAS.
The entire Madrid side were off the pitch after taking the lead as Barcelona attempted to level the scores by taking a quick kick-off, only for the referee to eventually disallow the goal.
Madrid were out of the running when they hosted their rivals in the penultimate game of the season, but were hoping to kill off Barca's slim hopes of catching leaders Deportivo La Coruna.More news: Illinois lawmakers ponder proposal to legalize marijuana
"Bale's absence is a solution for Real Madrid, not a problem".
FC Barcelona and Real Madrid's El Clásico matches generate over $40m in media value for sponsors, however live TV broadcasts now account for less than half of that figure, highlighting the need for brands to better understand the worth of the different media platforms available to them.
Even if Barca win on Sunday, Madrid would still be in control of the destiny of this season's title, although the title race would become quite a bit more interesting.
The Wales worldwide suffered a calf injury in the 2-1 UEFA Champions League quarter-final, first-leg win over Bayern Munich at the Allianz Arena on April 12.
For defenders they are remarkably prolific and it would not be unusual if, despite all the attacking talent on show at the Santiago Bernabeu on Sunday, one of them ended up settling the game. They will have got over the sizeable hurdles of Bayern and Barca and be heading for a possible historic double. That will be scant consolation if it's played out against the back drop of a Real Madrid winning La Liga and the Champions League.