When Wrexham lost Matty James to injury on February 7, it looked like their season could be derailed. The 34-year-old was sidelined for two months with a broken big toe, as Phil Parkinson resorted to a makeshift midfield that helped paper over the cracks. To their credit, Wrexham lost only three of the next 11 matches they played across all competitions but managed just three clean sheets. In the four matches James has started since his return from injury, they have already kept two more. It is no coincidence that when James plays well, Wrexham tend to play well too. He is the beating heart of their promotion bid and an unsung hero who brings calmness and composure to a side that has thoroughly exceeded expectations this season. James has battled injuries more than most during his distinguished career and missed the entirety of Leicester City’s shock Premier League title-winning season in 2015–2016 due to an ACL injury.…