The owners were not home and, when the driver went up to the door, the two dogs apparently lunged at it and broke through, then attacked the driver.
The owners returned home a short time later to find the animals on the driver and called the police.
Media inquiries directed to the victim's attorneys — O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC in Maryland Heights — were not returned Wednesday.
FedEx also released a statement on the incident.
"First and foremost, our thoughts remain focused on the well-being of the individual involved in this incident," a FedEx spokesman said in an emailed response to questions about the incident. "There is no higher priority for FedEx Ground than the safety and security of our team members and we are cooperating fully with the investigating authorities at this time."
Heffington said there has been an increase in dog bite cases, caused in part by the greater number of deliveries during the coronavirus pandemic. He noted he had a serious dog bit himself several months ago during an investigation.
He cautioned people expecting deliveries to make sure their dogs are properly confined.
According to the American Kennel Club, American bulldogs are "a well-balanced athletic dog that demonstrate great strength, endurance, agility, and a friendly attitude. Historically, they were bred to be a utility dog used for working the farm" and can reach weights of 80-100 pounds.
Gov. J.B. Pritzker announced the “all in for the win” vaccine lottery at an event in Chicago, noting it would award $7 million in cash prizes for adults 18 years of age and older, as well as $3 million in scholarship awards for Illinoisans ages 12 to 17.
A company hired to help extinguish a fire that gutted a northern Illinois chemical plant this week used foam containing toxic compounds that have tainted surface waters and groundwater across the U.S., officials said.
Illinois will offer $7 million in cash prizes and $3 million in scholarships through a new lottery open to all residents who have received at least one dose of a COVID-19 vaccine, Gov. J.B. Pritzker announced Thursday.