Clyde Christensen

Miami's Tannehill ruled out against Steelers; Moore to start

The Miami Dolphins dispensed with any pretense of suspense regarding their quarterback situation.

Ryan Tannehill was ruled out of Sunday's playoff game at Pittsburgh , and backup Matt Moore will start for the fourth week in a row. The Dolphins announced the decision Thursday after determining Tannehill still isn't ready to practice because of a sprained left knee.

"It felt like it was the right thing to do," coach Adam Gase said, "just so we can move on in this week and not play, 'What are we going to do?' and focus on what we're doing right now with Matt."

Moore, a 10th-year pro, is 2-1 as Tannehill's replacement and will make his first career...

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