Welcome, RotoBallers, to my catchers'fantasy baseball waiver wire pickups for Week 20 of the 2024 MLB season. This week, we'll look at catchers Austin Wells, Alejandro Kirk, and Joey Bart.Wells is back on our list once again. While he is rostered at a much higher rate than when he was last written about last week, 36% is still low, considering the impact he has made for the Bronx Bombers over the last few weeks.Let's see what catchers fantasy managers can pick up ahead of Week 20. Wells, Kirk, ...