Wrexham midfielder Matty James is drawing on past experiences as the club faces a nail-biting final day of the Championship season, with a play-off spot hanging in the balance. The Welsh side , currently sitting sixth, will host Middlesbrough on Saturday in a tense three-way battle for the last coveted position, competing against Hull and Derby. The permutations for Wrexham, who are chasing an extraordinary fourth successive promotion under the stewardship of Hollywood owners Rob McElhenney and Ryan Reynolds, alongside manager Phil Parkinson , are unusually complex. They could secure a victory and still miss out on the play-offs, or conversely, suffer a defeat and yet find themselves in the top six. Veteran midfielder James, 34, is no stranger to such high-stakes scenarios. He famously scored in Leicester’s 3-2 final-day triumph at Nottingham Forest in 2013, a result that saw the Foxes sneak into the play-offs.…