Sony's exclusive baseball series continues its PSP run with this enhanced version of MLB 09. Key changes for this installment include new personalized batting stances, new stadiums, updated rosters, and various artificial intelligence tweaks. The game otherwise offers the same play modes found in the previous installment, from the career-styled "Road to the Show" option, where you guide a created athlete from the minors to the big leagues, to the "Rivalry Mode," which has you battling the same team for an extended number of games. Ad-hoc wireless is play is also included, allowing you to challenge a friend in a head-to-head game.