Diontae Johnson, Mason Rudolph have full support in first NFL starts

Pittsburgh Steelers Diontae Johnson (Photo by Matt Sunday / DKPS)

PITTSBURGH — The Steelers have to start Mason Rudolph after Ben Roethlisberger went down with a season-ending elbow injury. They don't, however, have to start rookie Diontae Johnson Sunday in San Francisco against the 49ers.

But they are.

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