According to Showdown.ca:

Numerous sources have informed that Rory MacDonald and James Wilks have verbally agreed, to square off inside the octagon, on Saturday, April 30th, at The Rogers Centre in Toronto.

...A source has informed me that Jonathan Brookins, will have his hands full, as he is expected to take on undefeated lightweight, John Makdessi.

Apr 30th, live on Pay-per-view from Toronto, Ontario, Canada:

Georges St. Pierre vs. Jake Shields [WW title]
Randy Couture vs. Lyoto Machida
Ben Henderson vs. Mark Bocek
Rory MacDonald vs. James Wilks
Jonathan Brookins vs. John Makdessi

Rory MacDonald (10-1)         James "Lightning" Wilks (7-4)
Loss Condit -TKO                   Loss Patrick -Decision
Win Guymon -Submission    Win Sobotta -Decision
Win Hinchliffe -KO                   Loss Brown -TKO

Jonathan Brookins (12-3)    John "The Bull" Makdessi (8-0)
Win Johnson -Decision         Win Audinwood -Decision (Unanimous)
Win Cedeno -Decision           Win Casimir -Decision (Unanimous)
Win Palomino -Submission  Win Hawkes -TKO (Punches)

UFC 129: St-Pierre vs. Shields coverage