Celtics-Bulls notebook:

- Kristaps Porzingis is playing the best basketball of his career: "He's unbelievable"
- Jaylen Brown bounces back & benefits from home treatments
- Jaden Springer continues to shine as trade deadline looms

For @celticsblog.bsky.social:
https://www.celticsblog.com/2025/1/30/24354903/celtics-bulls-notebook-joe-mazzulla-jayson-tatum-jaylen-brown-kristaps-porzingis-jaden-springer