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