By Zach Koons The former Titans and 49ers tight end last played a game in 2019. View the original article to see embedded media. Former Pro Bowl tight end Delanie Walker officially announced his retirement from the NFL on Tuesday. Walker, a three-time Pro Bowler who played 14 seasons with the 49ers and Titans, will retire with Tennessee, the team that he last played for in 2019. “I would say it worked out better than I could have imagined,” Walker told the Titans’ team website on Monday night. “I dreamt about it, and made it come to life because I believed it would. I knew once I had the oppor…