Nick Bosa was ready to kick back and relax while the San Francisco 49ers coasted to a season-opening victory. The Detroit Lions made Bosa get back to work. Dre Greenlaw returned an interception for a touchdown to help San Francisco score 17 points over two-plus minutes late in the first half, and the Niners barely held on for a 41-33 win over Detroit on Sunday. read more Nick Bosa was ready to kick back and relax while the San Francisco 49ers coasted to a season-opening victory. The Detroit Lions made Bosa get back to work. Dre Greenlaw returned an interception for a touchdown to help San Francisco score 17 points over two-plus minutes late in the first half, and the Niners barely held on for a 41-33 win over Detroit on Sunday.