Saints' Payton: Book's NFL debut was 'hard to evaluate'
New Orleans Saints' Ian Book (16) is sacked by Miami Dolphins' Brandon Jones (29) during the second half of an NFL football game Monday, Dec. 27, 2021, in New Orleans. (AP Photo/Butch Dill)

New Orleans Saints' Ian Book (16) is sacked by Miami Dolphins' Brandon Jones (29) during the second half of an NFL football game Monday, Dec. 27, 2021, in New Orleans. (AP Photo/Butch Dill)

Dec. 27, 2021 10:15 PM EST
New Orleans Saints quarterback Ian Book (16) walks back to the bench after throwing an interception which was returned for a touchdown by Miami Dolphins' Nik Needham during the first half of an NFL football game Monday, Dec. 27, 2021, in New Orleans. (AP Photo/Derick Hingle)

New Orleans Saints quarterback Ian Book (16) walks back to the bench after throwing an interception which was returned for a touchdown by Miami Dolphins' Nik Needham during the first half of an NFL football game Monday, Dec. 27, 2021, in New Orleans. (AP Photo/Derick Hingle)

Dec. 27, 2021 08:34 PM EST
New Orleans Saints quarterback Ian Book (16) is pressured by Miami Dolphins defensive end Emmanuel Ogbah (91) during the first half of an NFL football game Monday, Dec. 27, 2021, in New Orleans. (AP Photo/Butch Dill)

New Orleans Saints quarterback Ian Book (16) is pressured by Miami Dolphins defensive end Emmanuel Ogbah (91) during the first half of an NFL football game Monday, Dec. 27, 2021, in New Orleans. (AP Photo/Butch Dill)

Dec. 27, 2021 08:42 PM EST