SAN FRANCISCO – The Warriors acquired Kristaps Porziis to study his health and fitness. To evaluate his game. To see how he fits in an offense designed around Stephen Curry. If nothing else, there would be value in his $30.7 million expiring contract.There is the other side, too, in which Porziis conducts his evaluation of the people at Golden State. That’s going exceedingly well.Though Porziis, 30, is not publicly campaigning for a chance to re-sign with the Warriors, early impressions indicate he’s already considering it. He’s attracted to the opportunity to play alongside Curry, and he is a believer in the team’s medical and training staff, led by Dr. Rick Celebrini.When Porziis came to the Warriors seven weeks ago, he had been sidelined for the previous four weeks with tendinitis in his left Achilles. After missing four games, he made his Warriors debut two weeks later, on Feb. 19, before an illness sidelined him for the next six games.During that time, Porziis became a Celebrini disciple.“Rick’s amazing,” he said Thursday after practice. “Rick is the goat, man. Really. I’m very happy with these guys, and...