"It was nice getting courted by all these teams, and I felt bad saying, 'Hey I'm going back to San Jose,' but that's where my heart is and that's where I'm happy," Thornton said.
NHL free agents follow NBA path in picking teams →
"I'm feeling really good," he said. "I'm feeling strong, coming along really good. I'm not going to say I'm 100 percent right now, but I'm pretty darned close."
Sharks sign Thornton to 1-year deal after losing Marleau →