There are people within WWE who feel that The Rock working more dates this year is a direct response to internal criticism he received last year about working such a limited schedule.
Read more at http://www.lordsofpain.net/news/wwe/Backstage_News_on_The_Rock_Working_More_This_Year_Bourne_Hawkins_Updates_Booker_T.html#vtk31MRarHHEAs5z.99
Good for Rocky, showing them he's the man.