feed off each other

“The chemistry in here is growing and growing,” Burnett said.
Girardi said the starters “pass the baton” and “feed off each other.” He added: “They don’t want to be the one who stops the streak. They compete with each other. That’s a great situation.”

feed off [feed off sth] phr v
to use something to increase, become stronger, or succeed - sometimes used to show disapproval
fad diets that feed off our desire to be thin