DeSantis also has a good chance in Pennsylvania. His father and grandfather are from the Pittsburgh area—Aliquippa. His grandfather worked in a steel mill there. I think DeSantis still has family there.
His blue-collar roots include him working his way through college and his military service. His parents are graduates of Youngstown State in neighboring Ohio. These are salt of the earth type people. One of his relatives is a Catholic priest. Another is a Catholic nun. This means people of southern European descent who still populate these areas will see DeSantis as one of them.
Trump has no such connections.
Desantis is a non starter in PA, he won’t win the primary here, he’ll lose to Trump by 10 - 15 points minimally, if he hasn’t already bowed out by the time PA votes in its primary.