Final answer:
The conjunction BUT in line 4 shows a contrast between the age of the young players and the extreme expectations placed upon them.
Step-by-step explanation:
Conjunctions are words that connect words, phrases, clauses, or sentences. They serve to establish relationships and connections between different elements in a sentence, making the text more coherent and logical. There are several types of conjunctions, each serving a specific purpose in linking different parts of a sentence.
The conjunction BUT in line 4 shows a contrast between the age of the young players and the extreme expectations placed upon them. It highlights the difference between their youth and the pressure they are facing in the game.