The New England Patriots are bringing in a third quarterback, adding Ian Book to the practice squad, NFL Network reported Wednesday.Book, 25, was a fourth-round draft pick by the New Orleans Saints in 2021. He started one game that season, a 20-3 loss to the Miami Dolphins in Week 15, and was 12-of-20 passing for 135 yards with two interceptions.The Saints waived him in August 2022 and he was with the Philadelphia Eagles last year but didn’t appear in a game. The Eagles waived him at the end of August.He was a three-year starter at Notre Dame and in 2020, he became the winningest quarterback in school history with 30 victories as a starter. He threw for 8,948 yards with 72 touchdowns and 20 interceptions from 2017-20.