Michael Emenalo's transfer record via Transfer Markt.
Resources for the article:
"Jose Mourinho sacked: How Chelsea’s technical director Michael Emenalo’s power grew at Stamford Bridge" -Jack Pitt-Brooke, Independent
"José Mourinho sacking: Michael Emenalo takes centre stage and absolves players" -David Hytner, The Guardian
"Michael Emenalo" -Wikipedia
"How an obscure Nigerian ex-player became one of English soccer’s most powerful men" -Yomi Kazeem, Quartz Africa