Obviously nothing great, but I certainly wouldn't say they 'figured him out'.
.130/.231/.174. 7 strike outs, 3 walks. Since that Yankee game, he's been fed a steady diet of low and away. That's the result.
Every at-bat that ends with a ball in play ends with only one pitch being put in play.
Chen was throwing him nothing but fastballs. Zimmerman knew it. Chen knew that Zimmerman knew it. Zimm couldn't do anything with it.