Patriots sign veteran quarterback
Source: Patriots signing ex-Eagles, Saints QB to practice squad – Boston Herald
Former Notre Dame QB Ian Book claimed off waivers
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Patriots signing ex-Eagles, Saints QB Ian Book
Ian Book's girlfriend celebrated NFL debut before Saints loss
Patriots Sign LB Chris Board
Eagles claim former fourth-round pick off waivers to be their third quarterback - Bleeding Green Nation
Patriots add quarterback Ian Book to practice squad - The Boston Globe
Saints waive second-year QB Ian Book, a fourth draft pick in 2021
Patriots sign another young QB (source)