Sean Mannion might one day be known as the quarterback who forced Jared Goff to the inactive list.
For one game at least.
Mannion, a second-year pro, enters Monday night’s season opener at San Francisco as the Rams’ No. 2 quarterback behind starter Case Keenum.
Goff, the No. 1 pick in the NFL draft, will be on the sideline wearing a Rams sweat suit.
Mannion had an inkling he would be the backup after last week’s exhibition loss at Minnesota, when Coach Jeff Fisher said Goff was “not ready” and that Mannion would probably be No. 2 against the 49ers.
On Monday, Mannion said quarterbacks coach Chris Weinke reiterated that...