Here are Myers numbers with Contreras vs Sanchez catching him.
Contreras - 3.26 ERA, .230/.283/.369 slash, 22.8% K-rate, 6.5% BB-rate, 1.2 HR/9
Sanchez - 1.72 ERA, .267/.307/.397 slash, 20.5% K-rate, 6.3% BB-rate, 0.86 HR/9
Better ERA and HR numbers with Sanchez catching but worse slash line and worse K/BB rate with Sanchez catching...idk is Contreras hurt? Sanchez is also worse framing and blocking than Contreras and similar at pop times.