2022 US Senate Election cycle is more Democratic friendly than 2020.

2020- the most vulnerable Democratic US Senate seat- Jones(D-AL) is likely to lose re-election in the general election.
2022- the most vulnerable Democratic US Senate seat- Kelly(D-AZ) is only vulnerable to a challenge from Ducey(R-AZ).
2020- Republican US Senate seats likely to go Democratic-
AZ(McSally-R)
CO(Gardner-R)
NC(Tillis-R)
2022- Republican US Senate seats likely to go Democratic
IA(OPEN Grassley-R)
NC(OPEN Burr-R)
PA(Toomey-R)
WI(Johnson-R)