How was last season a "Career Year"? 2006 he had a higher BA, higher OBP, higher SLG, higher ISO, he had more XBH in 90 fewer PA, a higher OPS+ and yet last season was a career year?
Because of context.
His wOBA was 20 points higher in 2006, but with context, his wRC+ was just 2 points higher in 2006 than 2012. His WAR last year was 3.8 and his previous career best was just 2.5 WAR