Bundesliga: Christian Gross' sacking comes with Schalke bottom of the league and nine points adrift of safety.
Liverpool finally bolstered their defensive options by signing Schalke's Ozan Kabak and Preston's Ben Davies before the Premier League transfer window slammed shut on Monday.
Bayern Munich opened up a seven-point lead at the top of the Bundesliga with a 4-0 win at bottom side Schalke 04 on Sunday as Robert Lewandowski scored for the eighth straight league game.
Schalke's record of 11 goals conceded with one scored in two defeats is the worst start to a season in Bundesliga history.
Serge Gnabry hit a hat-trick as holders Bayern Munich romped to a record 8-0 rout of Schalke on Friday in the opening game of the 2020/21 Bundesliga season.
The start of 2020-21 Bundesliga season has been pushed back from the original date of August 21 due coronavirus pandemic and will start on September 18.
FC Schalke have been winless since January's 2-0 victory at home against Borussia Moenchengladbach.
Borussia Dortmund's Erling Haaland needed only 541 minutes on the pitch to score his first 10 Bundesliga goals.
Bayern Munich hold a one-point lead over Borussia Dortmund at the top of the Bundesliga heading into their trip to the German capital.
Bundesliga became the first top football league to resume play since the coronavirus pandemic forced the season to be put on hold in March.