Lions defense sinks to new lows. 'Two things' demand fixing.

75756A5E-120A-4932-810C-2FD980DB785E

The Lions knew they needed to contain the 49ers' run game, and they didn't They knew they needed to limit the 49ers' explosive plays, and they didn't. The Lions knew they needed to do a lot of things they couldn't, and the result was a 41-33 loss that wasn't nearly as close as the score would suggest.

"Everything that we said we needed to do to win this game, we didn’t do," Dan Campbell said afterward.

It was especially ugly on defense, not that this came as much of a surprise. The Lions had the worst defense in the NFL last season and didn't make any significant upgrades in the offseason. Their biggest free agent signing was LB Alex Anzalone, who was a part-time starter for the Saints. Their most talented additions were draft picks.

Ford Field was on fire when Jimmy Garoppolo fumbled San Francisco's first snap on offen