When Waller retired last June, he said his passion for the game had been fading, and that a medical episode forced him to re-evaluate his future. However, during a recent conversation with Michael Schwartz of WKBW,

The Buffalo Bills ' AFC East rival in the Miami Dolphins made another trade following their blockbuster deal earlier this week. In a trade with the New York Giants, tight end Darren Waller was sent to Miami as the 32-year-old as decided to unretire.

The Miami Dolphins have traded for TE Darren Waller, who retired from the NFL last summer. Here's what you need to know about him.