Teoscar traded to Mariners for pair of pitchers (source)

MLB - For more and to sign up click here The Mariners swung the first blockbuster trade of the offseason, acquiring All-Star outfielder Teoscar Hernández from the Blue Jays on Wednesday, a source told MLB.com's Jon Paul Morosi. The teams have not confirmed the trade. Sources told MLB.com's Mark Feinsand that the Blue Jays will receive reliever Erik Swanson and lefty pitching prospect Adam Macko in return. Macko,…