Russell Martin and defending catcher WAR - Beyond the Box Score
Gammons: Teams are valuing catchers more than ever, and when they can't find them, they're making them - The Athletic
Russell Martin is the Blue Jays' most irreplaceable player
How catchers have to deal with more pitchers than ever
Red Sox's Christian Vázquez trade was unpopular but replacement Reese McGuire may be longterm answer
Addressing Knee Pain in Catchers and Correcting the Crouch Position – Bay Liskey Strength
Russell Martin lined up to be Yankees starting catcher, though Jesus Montero isn't conceding job yet – New York Daily News
One Last Move: Russell Martin would help sure up the Mets' catching - Amazin' Avenue
Blue Jays Sign Russell Martin - MLB Trade Rumors
The making of a catcher: Blue Jays' Russ Martin serves up a crash course, from the block to the 'pop' - The Athletic
2023 Positional Power Rankings: Catcher
Analyzing Phillies' catchers Ruiz, Coste