In a rather shocking development, former Las Vegas Raiders and New York Giants star tight end Darren Waller is ending his retirement to play for the Miami Dolphins. More news: Dolphins' Tyreek Hill Has Perfect Response to Jalen Ramsey, Jonnu Smith Trade

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.

When the Miami Dolphins traded tight end Jonnu Smith to the Pittsburgh Steelers on Monday, it was reported that they had already engaged with teams on potentially trading for his replacement. However, not many expected the Dolphins to trade for a player who had recently retired.