Newcastle Falcons showing rapid improvement under Dean Richards

• Mark McCall says Falcons are ‘different proposition’• Dean Richards praises attack coach Dave Walder• Match report: Newcastle 23-25 SaracensBack in April, when Saracens last visited the Premiership’s most northern outpost, they could afford to rest 13 first-choice players a week before their Heineken Cup semi-final against Clermont and still ease to a comfortable victory. Eight months on, it was rather different.The relief was etched on the face of Mark McCall face long after Juan Pablo Socino’s last‑second conversion attempt had drifted fractionally wide. From 25-13 up with six minutes rema…