Complex sentence: After ending their first competitive season as champions, Liverpool were elected into the Football League, and played their first Football League match away to Middlesbrough Ironopolis on 2 September 1893, and won 2--0.
Split into simpler sentences: After ending their first competitive season as champions, Liverpool were elected into the Football League. They played their first Football League match away to Middlesbrough Ironopolis on 2 September 1893, and won 2--0.