NY Life Protection Index | New York Life Insurance Company - The Company You Keep The New York Life Protection Index was created by sports information leader STATS to provide a composite gauge for this undervalued component of the game. While the New York Life Protection Index is calculated using a proprietary formula, the fundamentals are comprised of the length of a teamâ€™s pass attempts combined with penalties by offensive linemen, sacks allowed and quarterback hurries and knockdowns. The New York Life Protection Index is updated weekly throughout the regular season. Never seen this one before, and without knowing exactly how they calculate it and how much weight they give the various factors, it's hard to evaluate. But for what it's worth, it seems to be a pretty decent indicator. The Colts are first by a wide margin in terms of protecting Manning, which seems right to me. Pats are 5th. The Steelers and Bears are in the bottom 5, which also seems correct.