The Miami Dolphins inquired about trading for Las Vegas Raiders running back Josh Jacobs, according to league sources. The Raiders, however, told Miami that the Pro Bowl running back was not available. The Dolphins also appear interested in Colts running back Jonathan Taylor. Jacobs, who led the league in rushing last season, is missing training camp while he looks for a new contract. It doesn't appear like the two sides will come to an agreement before the season begins. Las Vegas still expects...