- NBA playoffs: Celtics cruise to Game 4 win over Heat, lose Kristaps Porzingis to calf injuryYahoo Sports
- Celtics’ Kristaps Porzingis doubtful to return due to calf injuryESPN
- Porzingis leaves playoff game with right calf tightness, team saysWCVB Boston
- Celtics C Kristaps Porzingis exits Game 4 with calf injuryDeadspin
- 4 takeaways as Celtics dominate Heat in Game 4 to take 3-1 leadMassLive.com