Derby County have proven former Sheffield Wednesday star Carlton Palmer right about one prediction he made earlier on in the season. A 2-0 victory over Carlisle United saw Derby clinch a memorable promotion back to the Championship. Following a two-year exodus from the second tier, the Rams will return under the forward-thinking David Clowes ownership. In securing his fourth promotion from League One, Paul Warne deserves huge credit for working under the EFL limitations, which forced him into signing players on loan or a free transfer. Derby’s success this season was built from defensive solid…