We've added a link on the Depth Charts for Visual Year-to-Date stats, which goes to:
This has the same mouseover capability as the Depth Charts, so that if you mouse over WARP for Baltimore catchers, you see the breakout for Wieters, Paulino, and Exposito, for example. Note that there are 4 stats available: WARP, TAv, FRAA, BRR.
It bears noting that the VORP portion of WARP isn't really computed by position, rather if a player has 80% of his PA at catcher, it takes 80% of his season-long VORP and then – for WARP – adds his FRAA at the position (divided by runs per win, of course).
Here's the National League WARP listing: