The Detroit Lions reportedly will promote Zonovan Knight to the 53-man roster this week with fellow running back David Montgomery nursing a thigh injury.Agent Mike McCartney announced the news on behalf of his client over social media on Tuesday. Knight was signed to the Lions’ practice squad on Aug. 31, three days after he was released by the New York Jets.Knight, 22, had 85 carries for 300 yards and a touchdown and 13 catches for 100 yards in seven games (four starts) last season with the Jets.