Complex sentence: In 1971-1972, the team played its first First Division League season, but reglated to Second Division again immediately (26 matches played: 7 wins, 7 draws, 12 losses, 21 points).
Split into simpler sentences: In 1971-1972, the team played its first First Division League season. However, it reglated to Second Division again immediately in that season (26 matches played: 7 wins, 7 draws, 12 losses, 21 points).