Controversy reigned in the second quarter, when an unnecessary roughness penalty on a hit by Mike Brown on Addison wiped away a Titans goal-line stand. One play later, Sam Darnold snuck into the end zone on a 1-yard run.

Vikings QB Sam Darnold got back on track, their defense kept pressure on Will Levis, and they benefited from 13 Tennessee penalties in their third win in a row.

Why was Tennessee Titans safety Mike Brown penalized for unnecessary roughness vs the Vikings Sunday? Here's what an NFL referee said.