2020 US Senate Election- Number of ways Democrats could get back in the majority.

1)Hope AL Republicans nominate Moore-R, Defeat McSally(R-AZ) with Kelly-D, Defeat Gardner(R-CO) with whoever wins the Democratic Nomination(Gardner-R can be in the same situation as Joe Donnelly(D-IN). Donnelly-D lost re-election in 2018 to a former Republican state legislator who was a first time candidate for statewide office by a 6 percent margin.), and Defeat Perdue(R-GA) with Abrams-D.
2)Defeat McSally-AZ,Gardner-CO,Perdue-GA,Ernst-IA, and Tillis-NC.