In 1958 , DBU decided to allow ex-professionals back into Danish football following a two - year quarantine .
As Leschly had already sat out for even longer , he re-entered the amateur - only Danish leagues that year .
In 1958 , DBU decided to allow ex-professionals back into Danish football following a two - year quarantine , and as Leschly had already sat out for even longer , he re-entered the amateur - only Danish leagues that year .