With no ability to put pressure on him or to defend against the pass, the San Francisco 49ers defense has allowed Pittsburgh Steelers QB Ben Roethlisberger to amass a 150.7 passer rating – in the first half.

Roethlisberger is 14 of 19 for 252 yards and two touchdowns so far. The Steelers are routing the 49ers with a 29-3 lead at the half.

The 49ers offensive line been unable to provide good protection for QB Colin Kaepernick. He is only 11 of 15 for 61 yards, no touchdowns, and has been sacked three times.

RB Carlos Hyde, who had 168 rushing yards and two touchdowns last week against the Minnesota Vikings, has 40 yards on 12 carries.

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