The 49ers' roster looks very different. Sam Darnold's deal was smaller than expected. Let's size up the best and worst moves of free agency.

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The San Francisco 49ers have taken a key step toward keeping their talented offensive backfield intact. Late Monday night, ESPN's Adam Schefter reported the 49ers placed a second-round tender on restricted free agent running back Jordan Mason.

The opening of free agency for the San Francisco 49ers was more about their losses than their additions. While San Francisco agreed to a deal with backup tight end Luke Farrell and brought back two reserve players on Monday,

Farrell, a former fifth-round pick of the Jacksonville Jaguars, was the third-highest pass-blocking tight end in the NFL last season (82.6 Pro Football Focus grade). Throughout his four-year career, Farrell has a 73.