The person spoke to The Associated Press on condition of anonymity Thursday because the move has not been announced.
Chicago won 95 games in a franchise-record fourth straight playoff season, but its offense was inconsistent. The Cubs finished fourth in the National League in scoring but managed one run or zero in 39 regular-season games. They scored just two runs over 22 innings in losing the NL Central tiebreaker game against Milwaukee and the NL wild-card game to Colorado.
Davis was hired last October to replace John Mallee as part of a shake-up to manager Joe Maddon's staff. Davis spent the previous six seasons as a hitting coach with Oakland and Boston.