Dion Jordan of the Miami Dolphins has been suspended for the first four games of the season after testing positive for a stimulant prohibited under the NFL's policy on use of performance-enhancing substances. The Dolphins announced the suspension Thursday. In a statement released by the team, Jordan took ''full responsibility'' for the positive test. ''I recently learned from the NFL that I tested positive for stimulants that are banned under the NFL policy,'' Jordan's statement read. More...