You're looking for a WWE 2K14 PSP mod link. Here are some useful posts and information that might help:
This is widely considered the definitive PSP mod for this era, meticulously converting the base engine into a "WWE 2K14" port. 30 Years of WrestleMania wwe 2k14 psp mod link
Disconnect the console, navigate to the menu on your XMB, select your Memory Stick, and launch the game. Finding a Safe Download Link You're looking for a WWE 2K14 PSP mod link
Download it if you miss the arcade style of the SmackDown vs. Raw series, but don't expect the graphical fidelity of a PlayStation 4 or 5 title. Finding a Safe Download Link Download it if
Because these are unofficial fan-made mods, links often move or go offline. You can typically find active links through the following community hubs: ’s Official Facebook Page : Historically the primary source for the ISO and Save Data files YouTube Tutorials
Disclaimer: These mods are fan-made and not officially supported by WWE, 2K, or Sony.