Howe, who has taken the Magpies into third spot in the Premier League, strengthened his squad ahead of the second half of the season with the signing of Anthony Gordon. Newcastle splashed over £40m on the Everton forward - a move which sparked speculation over Saint-Maximin's future. Saint-Maximin arrived at St James' park in 2019 from Ligue 1 side Nice.
Livi are unbeaten in six matches and sit fourth in the cinch Premiership.
Benfica are doggedly sticking to their valuation