Keenan Allen gets $20 million fully guaranteed at signing

The real numbers are finally emerging on the Keenan Allen extension. Via Ian Rapoport of NFL Media, the fourth-year Chargers wideout receives $20 million fully guaranteed at signing. He also gets a $9.5 million signing bonus. Rapoport characterizes the $20 million as “new money.” If accurate, this makes the practical guarantee at signing $21.656 million, since…