In a guest post for ESPN.com’s Sweet Spot blog, I press the case (begun here) for A.J. Ellis to be top of mind when it comes to this year’s All-Star voting. In fact, it’s not hard to argue that as we begin play tonight, Ellis has been the No. 1 catcher in baseball this year.

If you rumble in certain corners of the country or the Internet, you may have heard tales of A.J. Ellis Facts, which chronicles the exploits of the Los Angeles Dodgers’ first-time starting catcher as if he were an Avenger of some incredible ilk.

In reality, Ellis might not be a superhero, but he might just be the best pick for the National League All-Star team at catcher in 2012.

Ellis, who had only 141 career major-league plate appearances before turning 30 last year, has adapted a long-developed mastery of the strike zone in the minors into an earnest dose of offensive weaponhood in the big leagues, to the point where he is now third in the NL in on-base percentage (.462) behind David Wright and Joey Votto.

Additionally, despite managing only six home runs in more than 800 Pacific Coast League at-bats, Ellis has added enough pop to his game (five doubles, a triple and three home runs this season) that he is slugging .512 and has an OPS of .974, the latter figure tops among all major-league catchers. This despite playing two-thirds of his games this year in the relatively stifling hitting environments of Dodger Stadium and San Diego’s Petco Park. …