I'm not the one who came up with the Mattingly comparison nor am I the one who said Mattingly was the best comparison. I questioned the comparison. Anyway, Mauer: Better BA, better OBP, better OPS+, better wRC+, much better numbers with RISP, and he did that mostly while enduring the physical demands of playing catcher. Mattingly got to play the least demanding position on the field. Taking all that into consideration, Mauer's the better hitter, and he's a better overall player. And he didn't 'crater' until he had the concussion. He was having his 3rd best season when that happened. 3 batting titles (no AL catcher in history has even one) an MVP, led the league in BA/OBP/SLG % becoming the first player in 30 years to do it, and no other catcher ever did it. Considering everything, I'll take Joe as the better offensive player, and better player period. Mattingly does have him by 90 or so HR, though, again, a 1st baseman versus a catcher. Mauer could make the HOF. He ranks favorably with other HOF catchers.