Tiers are a simple but effective way of plotting out a draft strategy that assures you won't fall behind at any position while maximizing your return on every pick. They serve an alternate form of rankings that groups players by expected level of production, denoting the points in the rankings where the most significant drop-offs occur. In the heat of a draft, you'll know which position to target by observing which one is closest to having its current tier depleted.
Below are the catcher tiers for 2020. They depict a weak position that, enough that you shouldn't have to pay a premium to get a quality option there.
The Elite: J.T. Realmuto, Gary Sanchez
The Near-Elite: Willson Contreras, Yasmani Grandal, Mitch Garver
The Next-Best Things: Will Smith, Salvador Perez
The Fallback Options: Carson Kelly, Wilson Ramos, Christian Vazquez, Omar Narvaez, Sean Murphy
The Last Resorts: Tom Murphy, Yadier Molina, Francisco Mejia, Danny Jansen
The Deep-Leaguers: Travis d'Arnaud, Buster Posey, Jorge Alfaro, Kurt Suzuki, Roberto Perez, Robinson Chirinos
The Leftovers: James McCann, Jason Castro, Joey Bart, Willians Astudillo, Pedro Severino, Yan Gomes, Isiah Kiner-Falefa, Mike Zunino, Tucker Barnhart, Austin Allen, Josh Phegley, Tyler Flowers, Chance Sisco, Reese McGuire, Jacob Stallings, Austin Hedges