Saelemaekers and Celik are prime examples of meritocracy in action.
The Belgian winger, who returned injured from his national team spell, has become a constant presence down Allegri's right flank.
He has quickly become a reliable presence under the new management.
Milan views him as a valuable squad option, capable of covering multiple roles on the right flank, and his professionalism has strengthened the case for extending his stay at San Siro.
Celik, meanwhile, has become a guarantee for Roma, versatile and competitive, silencing critics who doubted his fit for the challenge.
Author's summary: Saelemaekers proves meritocracy at Milan.