In 2001, Booker started all 16 games and set a Bears single-season reception record with 100, breaking the old mark of 93 set by Johnny Morris in 1964. That total also ranked second in the NFC and sixth in the NFL. On the season, he totaled 1,071 receiving yards, good for ninth in the NFC. He became just the seventh receiver (8th time) in Bears history to post a receiving season. He collected a season-high nine receptions on five occasions, including each of the first two games. In a 31-3 win at the Atlanta Falcons on October 7, he had a TD catch from Jim Miller and a TD pass to Marcus Robinson. He hauled in seven passes for and a career-high three touchdowns in 27-24 win at the Tampa Bay Buccaneers on November 18, including a career-long TD catch (from Miller) in the game.