Question

این بازیکن تمام فصل نیمکت نشین بود

Answer 1

He was a benchwarmer all season long / throughout the season.

http://dictionary.cambridge.org/dictionary/english/benchwarmer

http://www.urbandictionary.com/define.php?term=benchwarmer

Also:

bench player

http://www.urbandictionary.com/define.php?term=bench+player

Answer 2

William felt dejected because he had sprained his ankle and had to sit out the game.

http://dictionary.cambridge.org/dictionary/english/dejected

Comments

Hi,

I liked it.+1

Answer 3

This player was kept substitute all the season through.