Ryan Tannehill gets $21.5 million fully guaranteed at signing

More details are emerging in connection with the next contract signed by Dolphins quarterback Ryan Tannehill. And the most important detail relates to the amount that is fully guaranteed at signing. Per a league source, Tannehill receives $21.5 million fully guaranteed at signing. Another $3.5 million becomes fully guaranteed March 2016.  In March 2017, another…