FOXBOROUGH, Mass. -- Rob Gronkowski announced his retirement from the NFL via an Instagram post on Sunday evening after nine seasons with the New England Patriots, putting an end to a career in which he transcended the tight end position and was also one of the league's most colorful personalities off the field.

Gronkowski's 79 touchdown receptions since joining the Patriots as a second-round draft choice in 2010 led the NFL. He had 10 or more touchdown receptions in five seasons, which is the most by a tight end in NFL history.

Click here for the full ESPN article.