I don't believe it's that risky because if he can stay healthy he'll finish in the top 10. Plus your relative strength at other positions compensates a bit. Having Eli Manning as the backup also mitigates some of the downside risk.
Overall, I really like this roster and cannot pinpoint any one glaring weakness other than I'm not that high on Detroit's defense just yet. Their secondary can still be exposed and they play GB twice.

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