Robert Lewandowski has now found the net in each of his side's first 11 home league games this season, equalling a Bundesliga record.
Peter Stoger felt Marco Reus could have played the full 90 minutes in his first Borussia Dortmund appearance since May.
Marco Reus' first appearance after nine months out ended in a Borussia Dortmund victory thanks to Michy Batshuayi and Mario Gotze.
A bout of flu means Jupp Heynckes' duties as Bayern Munich head coach will be done by assistant Peter Hermann against Schalke.
Borussia Dortmund may have lost Pierre-Emerick Aubameyang in January but Marco Reus has finally returned to the squad.
Bayern Munich have confirmed goalkeeper Manuel Neuer has been granted leave to go on holiday as he continues to recover from injury.
Stefan Effenberg would never have come up with a way to end Bayern Munich's Bundesliga dominance while a player, says Jupp Heynckes.
Schalke coach Domenico Tedesco believes Leon Goretzka will be particularly motivated to play Bayern ahead of his move to the club.
Alfred Finnbogason hopes to replace Pierre-Emerick Aubameyang as Robert Lewandowski's main goalscoring rival in the Bundesliga.
USA international Christian Pulisic, 19, revealed he was a Manchester United supporter as a child amid growing links to Old Trafford.