Sturm, who missed six games with a leg injury, had said earlier in the week that his return might not come until next week. But he jumped into the fray against the Kings and scored a goal in the Bruins' 3-2 shootout loss.
"[Friday] I had a longer skate in Buffalo. That's why I traveled with the guys," he said. "And it didn't get worse today. I skated this morning, it felt OK and that's why we decided to go tonight."
Sturm said he felt OK, but that he was excited and that's why he was as active as he was. In addition to his goal, he had a couple of mini breaks toward the Los Angeles goal that were thwarted by Kings goaltender Jonathan Quick. He finished with three shots on net in 15:14 of ice time while skating on a line with Patrice Bergeron and Mark Recchi.
"He was breaking down his wing and skating very well," said center Marc Savard, who set up Sturm's power-play score.