He had a .352 overall OBP in 2012, which falls into very good category. That's what we should be looking at, because recent Red Sox rosters have shown us that there is no such thing as a "platoon player" on this team. Circumstances always force those "platoon players" into full time gigs at some point in the season.
Also, that .383 OBP against righties came in a SSS. Let's not kid ourselves here.