Question

the football team will put up a brave fight change the voice

Answer 1

a brave fight will be put up by the football team (passive voice)

Answer 2

Here is your answer... 

First of all, what is  $\bold{passive \: voice ?}$

Passive Voice simply means that the object of the sentence becomes the subject of the sentence without changing the meaning of the sentence.
For example, He eats a mango.
The given sentence is in active voice . It's passive voice will be..
A mango is eaten by him.

Coming to your question,

The answer is

A brave fight will be put up by the football team.

Thanks!

#BeBrainly!