Until a vaccine for COVID-19 is available, clubs face being denied match-day revenue that is key in countries where domestic and international broadcasting deals are less valuable.
“That throws a big rock at the business models of these leagues,” the FIFPRO official said.
Multi-nation leagues have long been discussed in Europe as a possible solution for mid-ranking countries which have some standout clubs but struggle to compete commercially with big-market rivals.
The Dutch and Belgian leagues, which both had to end their seasons early due to the health crisis, are seen as the most likely cross-border partners. No formal proposal has been made to European soccer body UEFA.
In 2016, newly elected UEFA president Aleksander Ceferin said he supported national leagues staying independent.
“There is a need for a general overall economic conversation for the industry,” Baer-Hoffmann said Wednesday, looking ahead to a difficult year for players and their employers.
One team executive from Croatia suggested last week 100 to 200 clubs could go bankrupt this year if their needs are not understood.
Baer-Hoffmann noted that in Scotland, 43% of soccer revenue was “based on attendance at games.”