Paul Warne needs to improve almost every position at Derby County, including at left wing-back, where he could find an alternative for Louie Sibley. It’s been over a month since Derby announced who would be leaving and staying at Pride Park beyond the 2023/24 campaign. Paul Warne released six first-team players, including Conor Hourihane, Korey Smith and Joe Wildsmith, while offering new contracts to top scorer James Collins and academy graduate Louie Sibley. With their deals set to expire at the end of this month, there is still no update on their futures and that suggests negotiations have t…