CNN: These are the 10 Senate seats most likely to flip in 2020

1)Alabama
Incumbent: Democratic Sen. Doug Jones

2)Colorado
Incumbent: Republican Sen. Cory Gardner

3)Arizona
Incumbent: Republican Sen. Martha McSally

4)North Carolina
Incumbent: Republican Sen. Thom Tillis

5)Maine
Incumbent: Republican Sen. Susan Collins

6)Iowa
Incumbent: Republican Sen. Joni Ernst

7)Georgia
Incumbent: Republican Sen. David Perdue

8)Montana
Incumbent: Republican Sen. Steve Daines

9)South Carolina
Incumbent: Republican Sen. Lindsey Graham

10)Michigan
Incumbent: Democratic Sen. Gary Peters

https://amp.cnn.com/cnn/2020/08/31/politics/election-2020-senate-races/index.html