1998-99 was the Atletico Madrid first season kits produce by Reebok. 13th placed in the end of the season, Atletico Madrid with new coach summer 1998 by Arrigo Sacchi, who himself only remained in the managerial hot seat for less than six months. Radomir Antić then returned briefly in early 1999 only to be replaced by Claudio Ranieri at the end of the season.