Nolan Arenado on verge of record-setting deal Yankees won’t like

Next year’s would-be biggest free agent is getting signed before Bryce Harper. Nolan Arenado and the Rockies are finalizing an eight-year contract extension worth $260 million, The Post confirmed, which would make the outstanding third baseman the owner of the highest average salary of any position player in baseball at $32.5 million. The deal includes…