Complex sentence: His 47 goals for Thistle ensured that the Jags fans would hold him in high regard long after he left the club, particularly as many saw him as the player that led Thistle to promotion to the First Division.
Split into simpler sentences: His 47 goals for Thistle ensured that the Jags fans would hold him in high regard long after he left the club. Particularly as many saw him as the player that led Thistle to promotion to the First Division.