Republican held US Senate seats in 2020 that Democrats are likely to pick up.

[nkpolitics1212]

47)AZ special(McSally-R)Kelly-D
48)CO(Gardner-R)Hickenlooper-D
49)ME(Collins-R)Gideon-D
50)NC(Tillis-R)Cunningham-D
51)IA(Ernst-R)Greenfield-D
52)MT(Daines-R)Bullock-D
53)GA regular(Perdue-R)Ossoff-D
54)KS(OPEN Roberts-R)Bollier-D

Democrats will have a net gain of 7 seats.