According to Lance Pugmire of The LA Times, Brock Lesnar is indeed in talks to make a return to UFC, despite Lesnar not appearing at the 168 event as previously rumored.
Pugmire posted the following on Twitter in regards to Lesnar speaking with UFC President Dana White:
@latimespugmire
@danawhite told me last week he was "talking" to @DCBROCKLESNAR but wouldn't announce anything until a signing.
Subject: The Latest on a Possible Brock Lesnar UFC Return 
