Which US Senate seat up for re-election in 2022 are key in Democrats being in the majority?

[nkpolitics1212]

Democrats are strongly favored.
37)HI(Schatz-D)
38)CA(Padilla-D)
39)NY(Schumer-D)
40)MD(Van Hollen-D)
41)VT(Welch-D)
42)CT(Blumenthal-D)
43)OR(Wyden-D)
44)IL(Duckworth-D)
45)WA(Murray-D)
46)CO(Bennet-D)
47)NH(Hassan-D)
48)AZ(Kelly-D)
49)PA(Fetterman-D)

US Senate seats that the Democrats are slightly favored to win
50)NV(Cortez-Masto-D)
51)GA(Warnock-D)
52)WI(Barnes-D)
53)OH(Ryan-D)
54)NC(Beasley-D)

Does the fact that Tim Ryan worked for the infamous Jim Traficant hurt him or would it be hypocritical for Republicans to bring it up?
Ryan got elected to the US House in 2022 by defeating a pro free trade Democratic US House Member Tom Sawyer in the primary. Before Traficant’s scandals, Sawyer was supposed to face Traficant in the primary.