Top 10 things learned from 49ers media sessions

San Francisco 49ers CEO Jed York, right, introduced the team’s new general manager John Lynch, left, and head coach Kyle Shanahan at a press conference, Thursday, Feb. 9, 2017, at Levi’s Stadium in Santa Clara, Calif. (Karl Mondon/Bay Area News Group)Here are 10 things learned from the 49ers’ introductory press conference Thursday with coach Kyle Shanahan, general manager John Lynch and CEO Jed York:

1. Power play: The plan is for Shanahan and Lynch to sink or swim together without worrying about personnel battles. Shanahan oversees the season’s 53-man roster, and Lynch controls everything else (90-man offseason roster, free agency, draft). But Shanahan downplayed that as “just something you…