I think the fact that Espy outperformed Biden in Mississippi was the most surprising result of this election. The sort of white southern Democrat that used to vote Republican for president and Democrat for senate at this point has been fully realigned to voting Republican at every level and OTOH I'd expect the type of voter realigning towards the Democrats to vote Biden for president and Republican for senate. So who were the nearly 40,000 Mississippians who voted Trump for president and Espy for senate?
Espy ran a fairly uniform increase ahead of Biden everywhere I've looked with slightly larger increase across the rural counties--both white and black than in metro areas, so it was both white and black voters probably based on familiarity with Espy and the fact that Hyde is really repulsive, even for Mississippi.
