Jefferson Farfan scored late in his 100th Bundesliga appearance for Schalke to give his side a 1-0 win at Bayer Leverkusen on Sunday.
Farfan scored in the 82nd minute on a counterattack when he beat Andre Schuerrle to the ball and ran to the other end of the pitch before slotting past Bernd Leno off the far post.
Former Germany captain Michael Ballack was booked for complaining that the Peru winger fouled Schuerrle before he set off on his run.
The goal came one minute after Schalke's Jermaine Jones appeared fortunate to escape a second yellow card for a foul on Michal Kadlec. United States midfielder Jones had been involved in a series of run-ins with Ballack in the bad-tempered game.
Hannover hosted Bundesliga leader Bayern Munich in Sunday's late game.
