In the humble opinion of D-Slice, this was a terrible trade for the Padres.
Statistics of Anthony the Great
"Montero’s current .146 isolated slugging percentage is worse than the numbers he put up at every stop in the minor leagues except for his first 123 plate appearances in rookie ball. He routinely put up ISOs over .200. His current 21.9% strikeout rate is worse than he put up in every stop in the minor leagues. In that context, he’s certainly not the player he was projected to be.
Montero has a double-digit swinging strike rate (12.2% this year, 12.0% career, 8.9% average this year). He hits almost a ground ball and a half for every fly ball (1.45 GB/FB ratio) and has a decent home run per fly ball rate (13.3% HR/FB) that might not actually get much better, given his history and home park. He hit more ground balls than fly balls in his minor league career, too. His BABIP (.304) is neutral, especially for a slower runner. This isn’t an article about how he’s been unlucky or just needs to pull the ball more. There’s a chance we’re looking at the true-talent Jesus Montero, or at least the 2012 version.
...
Catchers, as a group, are hitting .245/.315/.392 this season. That’s worsted only barely by second baseman (.254/318/.380) and shortstops (.257/.310/.375), but you’ll notice that for roto concerns, it’s possible that catchers are the worst offensive position in baseball. The curse of batting average, yes, but also the fact that catchers don’t usually play a full slate of games. They have fewer plate appearances than any other position, they get pinch-hit for more than anyone, and they are platooned more than any other position.
Suddenly Jesus Montero looks a lot better."