According to Nick Underhill, the Saints have signed QB K.J. Costello.

Fantasy Impact

With starter Jameis Winston sidelined for a bit, the Saints decided to bring in K.J. Costello to take some reps with QBs Andy Dalton and Ian Book. Costello started his college career at Stanford before transferring to Mississippi State where he set the SEC's single-game passing yards record with 623 against LSU. Costello most recently spent time as the backup QB for Case Cookus on the USFL's Philadelphia Stars.