Winnipeg, MB – The hot form of Barbadian Renaldo Cumberbatch showed little sign of waning when the veteran jockey reeled off four wins on the seven-race card on Monday at Assiniboia Downs in Canada, including the capture of the feature CAN $40 000 Osiris Stakes. The 43-year-old paired with 1-10 favourite Lady Cop in the curtain-raiser to beat the two-year-olds by three lengths in an 1 100-metre sprint in a …