Timo Werner scored a hat-trick against Mainz for the second time this season. Were Liverpool watching?
Everton have made Mainz midfielder Jean-Philippe Gbamin their fourth signing of the summer.
Yoshinori Muto has become the first Japanese player to join Newcastle after completing his move from Mainz.
It all feels over here but that's not the case elsewhere in Europe...
If you haven't seen Mainz keeper Robin Zentner's 'Own Goals and Gaffes' moment yet, do so.