After Hummels' shock return to Dortmund, Transfermarkt listed the transfer records of players aged 30 and older.
Cristiano Ronaldo is the holder of the record as Juventus spent €117m in total to sign him from Real Madrid last summer when he was 33.
Brazil star Paulinho comes second with Bonucci, who earns two spots in the list thanks to his transfers between Juventus and Milan.
Stars from Serie A dominate the list, among which Argentina legend Batistuta ranks 5th as his €36.2m move from Fiorentina to Roma shocked the world in 2001.
30 and older player transfer records
1. Ronaldo (Real Madrid →Juventus): €117m
2. Paulinho (Barcelona→Guangzhou Evergrand): €42m
2. Bonucci (Juventus→Milan): €42m
4. Nainggolan (Roma→Inter): €38m
5. Batistuta (Fiorentina→Roma): €36.2m
6. Bonucci (Milan→Juventus): €35m
7. Hummels (Bayern→Dortmund): €30.5m
8. Modeste (Koln→Tianjin Tianhai): €29m
9. Eto'o (Inter→Anzhi): €27m
10. Matuidi (PSG→Juventus): €25m
All the stats are based on Transfermarkt database.