Al Horford and Kristaps Porzingis looking forward to facing former Celtics team

SAN FRANCISCO — Kristaps Porziņģis never imagined it would play out like this. But between Al Horford’s departure to Golden State over the summer, Porziņģis’ health issues in Atlanta, his ensuing trade to the Warriors and the late scheduling of the first Celtics game against Golden State on Feb. 19 — Horford and Porziņģis’ first […]