public async Task <SponsorDTO> AddSponsor(SponsorDTO sponsor)
        {
            try
            {
                Sponsor newSponsor = _mapper.Map <Sponsor>(sponsor);

                newSponsor.SponsorPlayers = new List <SponsorPlayer>();
                foreach (var playerid in sponsor.Players)
                {
                    newSponsor.SponsorPlayers.Add(new SponsorPlayer()
                    {
                        PlayerId = playerid
                    });
                }
                await _sponsorRepository.AddSneaker(newSponsor);

                return(sponsor);
            }
            catch (System.Exception ex)
            {
                throw ex;
            }
        }