Test1
{{League icon|Canada|50px|...|name3=value3}}

{{League icon}}

{{League icon/sandbox}}

Test2
{{League icon|Italy|50px|...|name3=value3}}

{{League icon}}

{{League icon/sandbox}}

Test3
{{League icon|barrow 1875|50px|...|name3=value3}}

{{League icon}}

{{League icon/sandbox}}

Test4
{{League icon|goole|50px|...|name3=value3}}

{{League icon}}

{{League icon/sandbox}}