Start/Sit....Marvin Jones or Keenan Allen? Rivers or Stafford? Custom scoring

For week 2…Which qb do I start, and Keenan or Marvin in my flex?

Scoring Format…

6 point passing tds.

Full ppr

Full point for passing, rushing, and receiving first downs.

3 points awarded for 275 passing yards.

1 point awarded for 40 yard passing, receiving, rushing first downs.

Thanks footclan!