Hell probably all 52...
GOP is a waste at the DC level
Alabama: Luther Strange (Intent for 2018 unknown) Current age: 63
Arizona: Jeff Flake (Won by 49% in 2012) (Intent for 2018 unknown) Current age: 54
Mississippi: Roger Wicker (Won by 57% in 2012) (Intent for 2018 unknown) Current age: 65
Nebraska: Deb Fischer (Won by 56% in 2012) (Intent for 2018 unknown) Current age: 65
Nevada: Dean Heller (Won by 46% in 2012) (Running in 2018) Current age: 56
Tennessee: Bob Corker (Won by 65% in 2012) (Intent for 2018 unknown) Current age: 64
Texas: Ted Cruz (Won by 57% in 2012) (Running in 2018) Current age: 46
Utah: Orrin Hatch (Won by 65% in 2012) (Intent for 2018 unknown) Current age: 82
Wyoming: John Barrasso (Won by 76% in 2012) (Intent for 2018 unknown) Current age: 64
Looks like four well ...get rid of them and it may scare the next batch in 2020