• Spring: Tickets | Ballpark | 40-man roster | NRIs
"I feel fine," said Seager. "It was fun sweating. I missed it."
Seager was injured making an awkward relay throw to first base on a double play.
Roberts said he's "absolutely" confident Seager will start the season active.
"He's progressing slowly, but moving in the right direction," said Roberts. "It's a medium-sized step. He needs 15 to 20 at-bats and we'd feel comfortable with him to start the season."
Ken Gurnick has covered the Dodgers since 1989, and for MLB.com since 2001. This story was not subject to the approval of Major League Baseball or its clubs.