class Player { final String? position; final String? number; final String fname; final String lname; final String dob; Player({this.position, this.number, required this.fname, required this.lname, required this.dob}); factory Player.fromJson(Map json) => Player( position: json['position'] as String?, number: json['number']?.toString(), fname: json['fname'] as String, lname: json['lname'] as String, dob: json['dob'] as String, ); }