The Lions will head out to the south of France for Saturday’s tricky EPCR Challenge Cup clash against Montpellier (7.30pm kick-off) boosted by the return from injury of Springbok fullback Quan Horn, while exciting young backline prospect Kelly Mpeku is embarking on his debut tour.However, the bad news on the injury front ahead of the third-round clash is the continued injury absence of winger Rabz Maxwane, lock Reinhard Nothnagel, forward Sibabalo Qoma and centre Henco van Wyk.Lock Ruben Schoeman is also currently serving a five-match suspension due to ill-discipline.Ruan Venter, Kade…