The Dolphins have made inquiries about several free agent cornerbacks, including San Diegoís Antoine Cason and Carolinaís Captain Munnerlyn. Detroitís Chris Houston also is on Miamiís radar, a source said. And they called about former Arizona free agent Greg Toler before he signed with Indy on Tuesday night.### The Dolphins put out on feelers on San Diego free agent linebacker and former FIU standout Antwan Barnes, who has 17.5 sacks in his past 38 games, but stopped short of making a significant offer. At least as of Tuesday.### Though the Dolphins inquired about Packers free agent safety Charles Woodson, they decided not to make an offer before re-signing Chris Clemons on Tuesday. Woodson will visit with the 49ers on Wednesday.