The Kansas City Royals have lost nine games in a row following a 4 – 1 defeat to the Chicago White Sox, their longest skid since their team-record 19-game losing streak late last year. The Royals are a major league-worst 2-11.

On April 18, 2006 — The Kansas City Royals have lost nine games in a row following a 4 – 1 defeat to the Chicago White Sox, their longest skid since their team-record 19-game losing streak late last year. The Royals are a major league-worst 2-11.

Source
Baseball Reference April 18