San Francisco 49ers starting quarterback C.J. Beathard (3) is sacked by Arizona Cardinals' Josh Bynes (57) in the first quarter at Levi's Stadium in Santa Clara, Calif., on Sunday, Oct. 7, 2018. (Nhat V. Meyer/Bay Area News Group/TNS)
lessSan Francisco 49ers starting quarterback C.J. Beathard (3) is sacked by Arizona Cardinals' Josh Bynes (57) in the first quarter at Levi's Stadium in Santa Clara, Calif., on Sunday, Oct. 7, 2018. (Nhat V.
... more Photo: Nhat V. Meyer / TNSThe 49ers’ start to the season officially moved from rugged to wretched Sunday: They lost, at home, to the Cardinals, the NFL’s only winless team.