Goretzka
The four-time world and three-time European champions, who have now been eliminated in the first round of the last two World Cups, have also won only three of their last 11 games.
Musiala of Bayern Munich and Florian Wirtz from Bayer Leverkusen received maiden call-ups to the Germany squad.
Werner scored in each half to help steer his side from behind to a 3-1 home win over Ukraine in the Nations League on Saturday
Germany stars Leon Goretzka and Serge Gnabry have spoken out in condemnation of the racist abuse directed at team mates Leroy Sane and Ilkay Gundogan during Wednesday's draw with Serbia.