With players also expected to leave, Chelsea will likely be having a major squad overhaul.
Managed by Mourinho during his spell in the Spanish capital, the centerback‚Äôs ¬£30m arrival will likely spell the end for the likes of Gary Cahill.
The 31 year old is expected to leave the Nou Camp this summer and has a host of admirers.
Jenkinson, on loan at West Ham, may see his move become permanent after Bellerin signed a new 5 year deal at the Emirates.
The 24 year old is wanted by both sides, but his club are refusing to do business and are determined to hold onto him this summer.