Smith 's interception was thrown 33 yards downfield , his longest attempt of the day .
Alex Smith 's streak of consecutive attempts without an interception ended at 312 , the 2nd - longest streak in NFL history ( Tom Brady - 358 ) .
Alex Smith 's interception was thrown 33 yards downfield , Alex Smith 's longest attempt of the day .
Alex Smith 's streak of consecutive attempts without an interception ended at 312 , the 2nd - longest streak in NFL history ( Tom Brady - 358 ) .