But when safety Kirby Joseph of Detroit picked off Purdy twice, with the 49ers unable to reciprocate against Goff or force a turnover in some other way, the Lions were able to leave with a 14-2 record and will play for the No. 1 seed in the final week of the season against Minnesota, also 14-2. The 49ers are 6-10.

This is the live blog for the San Francisco 49ers' Week 17 Monday night home game against the Detroit Lions. This will be updated frequently with information and analysis from the press box.

Jared Goff threw three touchdown passes and the Detroit Lions tuned up for their Week 18 division showdown against Minnesota by beating the San Francisco 49ers 40-34 on Monday.