The Miami Dolphins and defensive tackle Zach Sieler agreed to a three-year contract extension worth up to $67.75 million, agent Drew Rosenhaus confirmed.

The Miami Dolphins and defensive tackle Zach Sieler have agreed to a three-year extension worth up to $67.75 million, his agents Drew and Jason Rosenhaus told ESPN's Adam Schefter.

MIAMI GARDENS — The Miami Dolphins and standout defensive tackle Zach Sieler have agreed to a new three-year contract extension. It's a deal worth up to $67.75 million, including $44 million guaranteed, according to agent Drew Rosenhaus.