John Thune, John Cornyn and Rick Scott are vying to succeed Mitch McConnell as the Republicans leader in the U.S. Senate.

Republican senators will cast a secret ballot on Wednesday, and whoever is elected to replace McConnell will inherit a solid majority in the upper chamber.

Here’s everything you need to know about the candidates and who came out on top to replace Senate Minority Leader McConnell after Wednesday’s closed-door election.