belce1982 solution without Front-end validation

[belce1982]

In the sportrequest I make a validation 'withValidator' so a Country couldn't have two medals in the same sport.

I didn't know how to make/access properly an array of selects/inputs in the create.blade.php, so the 'withValidator' report bad the error.

I was trying to make some tests but I didn't find a correct approach.