calm down

"If they celebrate after the second match I will congratulate them but now calm down because it's not over."

"This agreement between the two parties certifies Jannik's innocence, his absolute non-guilt, and finally allows him to calm down and plan his future with a great comeback... in Rome."

“When we bring — at least in our department — order back, things will calm down.”

"They might not have had time to calm down or to collect their thoughts."

There needs to be someone who calms down the team and, occasionally, takes pace out of the match.