Miami Marlins pitcher Jarred Cosart said Major League Baseball is reviewing his deleted Twitter account as part of an investigation into gambling-related tweets posted there and he is cooperating with the investigation. ''Obviously, I was caught off guard by the whole situation,'' Cosart said Thursday. ''All I'm really saying to everyone is I'm following the MLB protocol and just talking with MLB security, and they are taking care of the rest.'' The 24-year-old Cosart deleted his Twitter account Tuesday after screen shots of comments he purportedly made appeared on the website of Miami New Times. More...