Worcester flanker Phil Dowson will retire at the end of the season to join Northampton's coaching staff.
Newcastle and Northampton shared 11 tries as the Falcons won 46-31 to emerge as contenders for a Premiership top-six spot.
Dylan Hartley's chances of leading the Lions have "gone backwards", according to Gavin Hastings.
Rhys Priestland's last-gasp penalty snatched a thrilling 32-30 win for Bath over Northampton at the Rec.
Northampton have signed Australia centre Rob Horne for next season.
Northampton stayed in Anglo-Welsh contention with a 50-10 crushing of Scarlets while Harlequins lost 13-10 at home to Sale.
Courtney Lawes believes Maro Itoje could thrive at blindside flanker for England in the absence of Chris Robshaw.
Leicester booked a place in the Anglo-Welsh Cup semi-finals with a battling 27-20 home win over neighbours Northampton.
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