Heads up OR head's up?

[Pete Incaviglia]

Heads up play.

OR

Head's up play.

 

[Eagleboy]

Heads-up play.

 

[Pete Incaviglia]

Heads-up play.

Touche.

And thanks.

 

[Barsuk]

Heads-up play.

I concur.

 

[Cansportschick]

Heads-up play.

I concur.

Concur too. Used it before.