If you mean since the Cardinals released him........ I haven't heard but I don't follow NFL too closely.
I saw something on one of the Dolphins sites that Ro is is the running with three or 4 other guys as possible free agents that Nick is looking at.
The Dolphins will evaluate Culpepper in two weeks and make a decision on whether they need to go shopping for a No. 3 quarterback. They have already compiled reports on possible additions, including Drew Henson, Adrian McPherson and former LSU quarterback Rohan Davey. http://www.mercurynews.com/mld/mercurynews/sports/15735610.htm From October 11th
Rohan is with the Arena Football League's New York Dragons. http://boards.arenafootball.com/messageview.aspx?catid=4&threadid=31779&enterthread=y
New York Dragons sign QB Rohan Davey The Dragons have bolstered their roster with the additions of two-time Super Bowl Champion QB Rohan Davey and former Dragons DB Chris Angel. Davey was a member of the New England Patriots from 2002 to 2004 and was with the Arizona Cardinals in 2005, while Angel spent the 2005 AFL season with the Dragons. Davey (6-2, 245) spent a total four seasons in the NFL before signing with the Dragons. As a member of the Patriots, he played in seven games (including two Super Bowls) and recorded eight completions for 88 yards with the longest of 20 yards. He then played for NFL Europe on the Berlin Thunder in 2004 where he was named the NFLEL Offensive Player of the Year after leading the league with a 105.6 passer rating and throwing for 1,676 yards and 19 touchdowns. He led the Thunder to a 9-1 regular season and a World Bowl Championship over the Frankfurt Galaxy. Prior to his professional career, Davey attended Louisiana State where he was the only quarterback in the school's history to throw for over 3,000 yards in a season with 3,347 yards in 2001. With his twelve starts at quarterback, he ranks fifth in school history with 29 touchdown passes and sixth with 4.415 passing yards. He also led LSU to their first outright SEC title since 1986 and was awarded Sugar Bowl MVP honors in a victory over Illinois after completing 31 of 53 passes for 444 yards and three touchdowns. “Joining the Dragons is a great opportunity to play and refine my skills on a professional level. Arena Football is a fun and fast paced game which makes you zone in on your skills," said Davey. “You need to focus on your accuracy and timing more than the NFL because of the length of the field and the narrowness. I am looking forward to this opportunity on Long Island." Added Dragons head coach Weylan Harding: “We are very excited to be able to bring in someone of Rohan's talents and his obvious pedigree. The coaching staff feels that Rohan has the potential to come in and provide a high level of competition and do well. We also feel we have raised the stakes with acquiring a guy of his caliber."
In other words... not much. He was good at LSU but I think we'd all be reaching to hope that he could become a solid NFL backup.