The 49ers had a hole at defensive tackle after releasing former prized free agent signee Javon Hargrave over the offseason.

Commanders second-round pick Trey Amos agrees to terms on a four-year, $7.3 million deal the day before rookies are required to report to training camp.

In other words, the 49ers and Collins both need each other. It's an added bonus that Collins' rookie contract will also help ...