Have a lot in the rotation but the main ones I listen to are:
Politics/Current Events:
The Black Guy Who Tips (Not very political)
Vox's The Weeds
With Friends Like These
Pod Save America
NPR Politics Podcast
Dan Carlin's Common Sense
Grapple
NPR's CodeSwitch
Left, Right, and Center
Slate's Political Gabfest
History:
BackStory
Dan Carlin's Hardcore History
The Dollop
Revisionist History
Sports:
The Ringer NBA Show
The Ringer NFL Show
The Bill Simmons Podcast
Jalen & Jacoby
The Solid Verbal
The Chronicles of Redikk
The Solid Verbal
The Lowe Post
The Bill Barnwell Show
Dunc'd On Basketball Podcast
Educational:
The Art of Manliness
Stuff You Should Know
NPR's Invisibilia
Freakonomics
Ted Talks
The Liturgists
Entertainment:
Serial
Joe Budden Podcast
Radiolab
S-Town
I don't listen to every episode of each, I just pick and choose based off the subjects or guests. I sit at a computer all day so I have time lol.