In a match-up that's probably not going to showcase any displays of grappling wizardry, welterweight sluggers, Dan Hardy and Duane Ludwig, have agreed to face off in Las Vegas on May 26th at UFC 146, according to MMA Weekly, who confirmed the booking with UFC officials:

Dan Hardy will return to action at UFC 146 in May where he will face fellow striker Duane "Bang" Ludwig.
UFC officials confirmed verbal agreements are in place for the welterweight showdown.

This might be Hardy's last chance to keep his spot on the UFC roster, although it has appeared that he's been in that position in the past, only to keep his job after putting on exciting fights, even during his current four-fight losing streak, which is usually more than enough to get a fighter booted from the promotion. Hardy has revamped his training though, electing to leave his native England to prepare full-time in Las Vegas and taking an extended layoff after his loss to Chris Lytle last August to get fully focused before this next fight. Ludwig, a longtime veteran of the sport, seemed to be enjoying a career resurgence with back-to-back wins over young prospects, Nick Osipczak and Amir Sadollah, but like Hardy against Lytle, his weakness on the ground caught up to him against fellow journeyman, Josh Neer, and Ludwig ended up getting choked out back in January.

Dan "The Outlaw" Hardy (23-10)
L Chris Lytle (submission) - UFC on Versus 5
L Anthony Johnson (unam. decision) - UFN 23
L Carlos Condit (KO) - UFC 120

Duane "Bang" Ludwig (21-12)
L Josh Neer (technical submission) - UFC on FX 1
W Amir Sadollah (unam. decision) - UFC on Versus 5
W Nick Osipczak (split decision) - UFC 122

The UFC 146 card now includes:

-Junior dos Santos vs. Alistair Overeem - UFC heavyweight championship
-Evan Dunham vs. Edson Barboza
-Jason Miller vs. C.B. Dollaway
-Jacob Volkmann vs. Paul Sass
-Dan Hardy vs. Duane Ludwig

UFC 146 coverage