Perhaps though one of them will likely be that living fossil Ginsburg which won't change anything.
and he still has to get them approved by the Senate which as of now is still controlled by the GOP with a decent chance it will still be so in 2021.
Actually, if the GOP keeps propping up Trump and voters have not forgotten they voted to clear him of his disgusting Ukraine behavior, it is almost guaranteed the senate will also go blue/democrat.
12 democratic senators need to fight for re-election whereas 24 republicans are up for re-election. So the odds are with this incredibly unpopular president, a few of those republicans will fall.
In 2022 another 32 are up for re-election. And again 12 democrats are up and 20 republicans, giving another risk for losses in the senate for the republicans.
At the moment electoral vote has the senate (based on opinion polls) 52 democrats, 1 tie and 47 republicans.
It is all but certain that Mark Kelly will oust McSally (Kelly is up 49% to 38%, 11 percentage points) so that will be one republican loosing a senate seat
In Colorado Cory Gardner (republican incumbent) is running against John Hickenlooper and he is trailing the democrat, so that could be 2 lost senate seats.
In Iowa at this moment (last opinion poll just 2 weeks ago) Joni Ernst is in a really hard re-election fight with democrat Theresa Greenfield. As of now Greenfield is up 2%.
Susan Collins in Maine also has a real fight on her hands, the republican is a few percentage points behind.
Even in Montana and North Carolina the republicans are trailing the democrat.
Only Doug Jones is sure to loose his seat in the Senate as he is not running against a suspected young woman obsessed former judge.
Now we are still early in the race, but so far the odds of the republicans holding on to power in a year that will likely see a lot of anti-Trump voting are not that great. The anti-Trump sentiment could scupper the chances of the republicans holding on to the senate.
So your claim it has a decent chance of holding on is not really that obvious when looking at the facts of how badly some republicans are doing and how many seats they have to defend compared to the democrats.