Mets, Blue Jays now discussing 7-player trade involving R.A. Dickey

AP Photo/Kathy Willens Trade discussions between the Mets and Blue Jays involving R.A. Dickey continue to heat up. What started as trading R.A. Dickey for multiple prospects had become potentially something bigger yesterday. As first reported by The Post, the Mets were close to a seven-player deal…