The team will likely lose the game if they don't play better.

to fail to keep or maintain something; to be deprived of something.
Don't lose your keys again.
We might lose our way in the dark.
She will lose her job soon.
lose track of
lose control of
lose sight of
misplace
forfeit
deprive
The company reported a significant loss in its quarterly earnings.

The amount by which something is less than expected or required.
The team suffered a big loss.
This is a financial loss for us.
We accepted the loss and moved on.
financial loss
significant loss
report a loss
deficit
shortage
shortfall