Real Madrid won their second Club World Cup, defeating hosts Kashima Antlers 4–2 after extra time in the final.

[13] The system was used for the first time when a penalty was awarded by referee Viktor Kassai in the first half of the semi-final between Atlético Nacional and Kashima Antlers after a review of video replay.

[3] The official squads (excluding the host team, who was yet to be determined[citation needed]) were announced on 1 December 2016.

[16] A draw was held on 21 September 2016, 11:00 CEST (UTC+2), at the FIFA headquarters in Zürich, Switzerland, to determine the positions in the bracket for the three teams which enter the second round.

[17][18][19] If a match was tied after normal playing time:[3] On 18 March 2016, the FIFA Executive Committee agreed that the competition would be part of the International Football Association Board's trial to allow a fourth substitute to be made during extra time.