Oliver Pursglove and Danny Jones will play for Keighley after recovering from hip and dead leg injuries, respectively.
Eaton said: “We’ve lost twice to Toulouse this year, but both games were very tight. We’re hoping we can turn it around and be on the right side of the score this week.
“In our previous games, the only difference between the two sides has been their willingness to be patient. Hopefully we can learn the lessons from that.”
He added: “It’s vital we get a win if we’re to have any chance of survival.
“Defeat would make it a very, very difficult challenge for us to stay up in the Co-operative Championship, even if it wouldn’t be quite mathematically certain just yet. It’s a very important game for us.”
Toulouse have won three of their last four games in the Co-operative Championship.
Victory at Cougar Park would further strengthen their play-off ambitions ahead of their final four league fixtures of the season.