He will be free to play for them from January 1 and could be involved in the FA Cup third-round tie at home to city rivals Everton on January 5.
The Club World Cup is not held in the highest regard in Europe, coming in the middle of a busy club season.
CSA decided in April to radically restructure the domestic game, scrapping the current franchise system and reducing the number of teams playing professional cricket. The decision is the subject of an ongoing court action by SACA.
Barcelona go into the brief Spanish winter break on top of La Liga after a glittering show led by Lionel Messi saw the defending champions beat Alaves 4-1 on Saturday.
The Cincinnati Bengals clinched the first pick in next year's NFL Draft by losing 38-35 in over-time at Miami and falling to a league-worst 1-14.
Van Dijk returned against Flamengo after illness kept him out of the 2-1 semifinal victory against Monterrey and that determination to be back playing summed up Liverpool's attitude towards the competition.
Harry, 35, the younger son of Prince Charles and Princess Diana, and Meghan, a former actor best known for her role in legal drama Suits, 38, met in 2016.
Zinedine Zidane has said he is not worried about Wednesday's Clasico between Real Madrid and Barcelona being overshadowed by Catalan independence protests.
Chelsea face German giants Bayern Munich, while Paris Saint-Germain, who impressed in the group stage and will be trying to avoid a fourth successive last-16 exit, will take on Borussia Dortmund.
It is an honor the Anfield side had never before claimed but which is now theirs after Roberto Firmino's extra-time goal secured a 1-0 victory over Flamengo in a hard-fought Club World Cup final in Doha.
"It's such an incredible opportunity missed," said the Swiss veteran, now 38 and who must fear his days as the all-time leader on the list are numbered.