According to this article the Reds were in discussions to send Ryan Hanigan to Tampa and would have received Seth Smith from the Rockies.
http://yossif.mlblogs.com/ You have to scroll down a little to get to the article.
Interestingly, Hanigan was almost dealt to the Rays earlier this offseason. According to ESPN’s Buster Olney, the Rays discussed trading for Seth Smith (who was on the Colorado Rockies then) and then sending him to Cincinnati in exchange for Hanigan.