By Rory Robinson Jerry Jones isn’t prepared to secure a new long-term contract for Dak Prescott just yet – despite his eight-year tenure with the Dallas Cowboys. Jones is adamant about keeping Prescott in Dallas. Yet speculation continues among NFL fans about the potential for the Cowboys to seek a new quarterback in the forthcoming draft, driven by reluctance to provide Prescott with an extension. Prescott’s current deal with Dallas runs through the end conclusion of the 2024 season – the final year of his four-year, $160million (£128.4m) contract. But there has been no public discussion of e…