FX has renewed "Dirt" and "The Riches" for second seasons, the cable network announced yesterday.

In other FX announcements:

_ The Denis Leary firefighter series "Rescue Me" will return June 13.

_ Glenn Close's series "Damages" will premiere July 24.

_ "It's Always Sunny in Philadelphia" will return for a third season in early September, with Danny DeVito signed for all 15 episodes, and "Nip/Tuck" will be back, probably later in the fall, for a fifth season.

Fox keeps him talking

Fox has renewed its weekly late-night offering "Talkshow with Spike Feresten" (midnight Saturdays) for next season.