A barely believable 66 goals were scored over 10 games that Thursday, with only Everton and Bolton Wanderers failing to score among the 20 First Division teams who played that day.
Garoppolo is 20-5 in 25 career starts, but CenturyLink Field can be one of the most difficult for inexperienced quarterbacks. Since 2010, QBs with 25 or fewer starts are 6-22 at the Seahawks' home field.
First up in Perth will be the United States against Norway followed by Russia and Italy.
In the Black Caps' first Boxing Day Test at the Melbourne Cricket Ground since 1987, skipper Kane Williamson won the toss and opted to bowl, and it looked to be a good decision with Joe Burns out first ball and David Warner just before lunch.
Nishikori's absence follows Britain's Andy Murray also pulling out of both tournaments over the weekend with a pelvic injury.
Wolves were angry even before the VAR controversies as the Premier League Christmas scheduling meant they travelled to Anfield just 45 hours after a thrilling 3-2 win over Manchester City.