The update will include 800 new faces along with new boots and updated kits for certain teams. The update will also add 11v11 and updates for the squads.
Here is the press release from Konami.
KONAMI hears the fans! New data pack updates player rosters and adds 800 new likenesses to PES 2014 and more.
"Konami Digital Entertainment B.V. has revealed details for its forthcoming free Data Pack 2 for PES 2014 coming later this month.
Designed to bring all team rosters fully up to date, the update will include all transfers made ensuring that all current players are at their correct teams. Moreover, the publisher has also extended the realism of the game’s stunning visuals, with the addition of over 800 new faces which are included within the download. This will ensure that even more players are represented in staggering clarity, with the likes of Manchester United’s Da Silva twins, Boca Juniors' Riquelme, Real Madrid's Isco and England's own, Jack Wilshere, are amongst those that will be upgraded.
Moreover to the roster updates, feedback has been gathered from the PES community and a multitude of other additions have been added via the new data pack. The download also bolsters the online elements of the game, with the long awaited addition of the 11 Vs 11 mode, enhancements to the chat elements, and gameplay tweaks. A new ‘Team Play’ lobby system has been incorporated, as have online competitions and Master League Online competitions to the game’s Competition Mode.
New official kits have also been added, with more third kits added to the likes of Santos, Palmeiros and Flamengo, which sponsorships have been amended to key teams where necessary. New adidas, Nike, Puma and Mizuno boots have also been included, and will be available via the game’s Edit mode, which has also been enhanced for ease of use with the addition of the player base copy and more functionalities."
Expect more details on gameplay fixes at a later date when details for the patch which will be released along side the latest DLC.