Both strikers are struggling in front of goal and appear short of self-belief.
Morientes, now a youth coach at Real, said: "This streak worries me especially for them. It's bad for your mood.
"I've been through it and it is not nice when they point the finger, but in the end it always exits.
"In Madrid you are required to score goals if you are the '9 '. Sometimes you go through spells like this, sometimes they pass, other times last longer ... "