2018 US Senate Election- Red State Democratic incumbents facing top tier Republican challengers.

IN (Donnelly-D)Republican nominee is likely to be US Representative Hollingsworth,Messer,Rokita,Stutzman,or Walorski. Donnelly-D is favored to defeat either of those Republican candidates by a narrow to high single digit margin.
MO (McCaskill-D)Republican nominee is likely to be US Representative Graves,Hartzler,Long,or Wagner. McCaskill-D is favored to defeat either of those Republican candidates by a narrow to high single digit margin.
MT (Tester-D)Republican nominee is likely to be MT AG Fox or Former Governor Racicot. Tester-D is favored to defeat either of those Republican candidates by a narrow to high single digit margin.
ND (Heitkamp-D)Republican nominee is likely to be US Representative Cramer. Heitkamp-D is favored to defeat Cramer-R by a narrow to high single digit margin.
WV (Manchin-D)Republican nominee is likely to be US Representative Jenkins,McKinley,or Mooney. Manchin-D is favored to defeat either of those Republican candidates by a high single to low double digit margin.
All of those Democratic incumbent US Senators are going to get re-elected.
Purple state Democratic incumbents likely to face top tier Republican challengers.
FL (Nelson-D)Republican nominee is likely to be Governor Scott or US Representative DeSantis,Jolly, or Rooney. Nelson-D is favored to defeat either of those Republican candidates by a high single to low double digit margin.
ME (King-I)Republican nominee is likely to be Governor LePage. King-I is favored to defeat LePage to a low double digit to landslide margin.
MI (Stabenow-D)Republican nominee is likely to be Governor Snyder,US Representatives Amash,Miller,Rogers, or Upton. Stabenow-D is favored to defeat either of those Republican candidates by a high single to low double digit margin.
MN (Klobuchar-D)Republican nominee is likely to be US Representative Paulsen. Klobuchar-D is favored to defeat Paulsen-R by a low double digit to landslide margin.
OH (Brown-D)Republican nominee is likely to be former State Treasurer Mandel. Brown-D is favored to defeat Mandel-R by a high single to low double digit margin.
PA (Casey-D) Republican nominee is likely to be US Representative Barletta or Kelly. Casey-D is favored to defeat either of those Republican candidates by a high single to low double digit margin.
VA (Kaine-D)Republican nominee is likely to be US Representative Brat,Cantor,Comstock,Davis,Forbes,Taylor, or Wittman. Kaine-D is favored to defeat either of those Republican candidates by a high single to low double digit margin.
WI (Baldwin-D)Republican nominee is likely to be US Representative Gallagher or Grothmann. Baldwin-D is favored to defeat either of those Republican candidates by a high single to low double digit margin.