Covenant Theology - Who Should Be Baptized?

Baptism replaces circumcision. It serves as an anti-type to the typology of circumcision and thus it's the means by which there is an entry into the covenant community. And so they draw the line from the very clear fact that infants, now we have to be careful, male infants were circumcised. They make baptism to be the equivalent under the new covenant of that sign that was given to male infants"