The Nigerian forward will wear the Blues' No.20 jersey last worn by former Portugal international Deco, while his compatriot retains his No.35 shirtReturning Chelsea forward Victor Moses and Dominic Solanke have been assigned their squad numbers.
Moses, who returned to the Stamford Bridge after his loan move to Stoke City, will wear the No. 20 jersey. The jersey was so well associated with Deco during his spell with the Roman Army.
Academy players Dominic Solanke and Ola Aina impressed in the youth team last season, and as a result have been rewarded with the No.35 and No.34 while Ruben Loftus-Cheek retaining his No.36 shirt.
Both players are in line to feature in Saturday’s pre-season game against Paris Saint-Germain.