Maybe not even that. If Colston doesn't fumble, Saints possibly win, and that's not even considering a better outcome on the failed 4th and 1 in the first half that resulted in 0 points.
If we score on the possession that Colston fumbles, then that 4th & 1 becomes a non-issue. We kick a field goal instead of attempting that last gasp pass that netted us the pass interference penalty...