WRENTHAM, Mass. (AP) — Massachusetts police are asking the public for help in finding a former New England Patriots player’s missing dog.

Wrentham police say a trainer was walking former linebacker Jerod Mayo’s English bulldog, Knox, and another dog Thursday when Knox disappeared.

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Jerod Mayo’s dog Knox. (Photo credit: Jerod Mayo – Instagram)

The walk took place around 8 p.m. near the Joe’s Rock conservation area in Wrentham.

Police say the dog’s electronic collar was found on a nearby trail, and there were no signs that it had been forcibly removed.

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Authorities say it’s unlikely Knox simply ran away, because the dog’s breed is notorious for having poor cardio.

Mayo posted a plea for the dog’s return on Instagram Saturday, saying his family is “praying to have him back with us safe and sound.”

An investigation is ongoing.

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