NFL: The first 100 days of a tumultuous 2020

The first 100 days of 2020 saw lots of news and movement in the NFL.

7: Garrett Celek retires

Stan Szeto-USA TODAY Sports

San Francisco 49ers tight end Garrett Celek announced his retirement via social media. Celek, 31, posted a message on Instagram to thank the 49ers “for giving me the opportunity to pursue my dreams.”