I don't know exactly how the option bonus non exercise fee works, but assuming we don't get a fee and it just works as a prorated signing bonus this is a pretty highly leveraged contract.
Cap hits:
2017: $3.4M
2018: $5.9M
2019: $11.9M
2020: $14.9M
2021: $15.4M
Significant dead money charges if cut before the 2019 season.
Cap hits are napkin math and this totals to $51.5M with another $2M in total pro bowl incentives($400k/per year) and likely $1M in total