Defensive lineman Zach Sieler and the Miami Dolphins have agreed on a three-year contract extension worth up to $67.75 million, including $44 million guaranteed.

In an offseason of change, the Miami Dolphins have made a sizable commitment in a franchise player. Miami made Zach Sieler the team’s highest-paid defensive player, giving him a three-year extension worth up to $67.

The Miami Dolphins signed former Seattle Seahawks, Chicago Bears, and Cleveland Browns starting offensive lineman Germain Ifedi, the team announced Sunday. To make room for Ifedi on the roster, the Dolphins waived rookie quarterback Brett Gabbert.

Ingold suffered a concussion during Sunday's training camp practice, David Furones of the South Florida Sun Sentinel reports. It was a scary moment for Ingold, who appeared to be down and motionless on the practice field after taking a hit to the head during team drills,

Miami Dolphins fullback Alec Ingold is in the NFL's concussion protocol after suffering an injury in training camp Sunday, a team spokesperson told David Furones of the Sun Sentinel. Ingold, 29, went down in practice and was motionless on the field,