Coach Mike Macdonald said Thursday that Baker (wrist) won't be back as a full participant during practice until training camp, Curtis Crabtree of Fox 13 Seattle reports.
Kittle has set a goal to be ready for training camp after undergoing core-muscle surgery earlier this offseason, Matt Maiocco of NBC Sports Bay Area reports.
Jennings and the 49ers agreed Wednesday on a two-year deal worth up to $15.4 million, including $10.5 million guaranteed, Adam Schefter of ESPN reports.
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