Winger Jadon ____ joined Manchester United in 2021 (6)
I believe the answer is:
sancho
(Other definitions for sancho that I've seen before include "Guitar" , "Faithful Spanish servant" , "-- Panza, servant to Don Quixote" , "__ Panza, Don Quixote's squire" , "--- Panza; Don Quixote side-kick" .)