The Professional Jockeys Association has said it will support riders affected by plans to only use senior riders when racing resumes behind closed doors. The Resumption of Racing Group, through the British Horseracing Authority, on Thursday sent a letter to trainers outlining proposals to, when racing resumes, limit field sizes to 12 and allow only senior riders to partake. Jockeys will also be restricted to one meeting per day. Dale Gibson, Executive Director of the PJA, has said support will be in place for the jockeys, like claiming riders, affected...