lead off

US /liːd ɔːf/
UK /liːd ɔːf/
"lead off" picture
1.

to start or begin something, especially a meeting, discussion, or event

:
The CEO will lead off the conference with a keynote speech.
Who wants to lead off the discussion?
2.

to be the first batter in a baseball game or inning

:
He's a great hitter, so he'll often lead off for the team.
The manager decided to have a new player lead off the game.