The first wave of free agency has left the Chargers with plenty of holes. GM Joe Hortiz must address several positions of need before the NFL Draft.

Just a week into NFL free agency, the bulk of the major deals are done. There's now an opportunity to evaluate which teams got better and why. Did they throw money at the big names? Did they spend wisely?

Los Angeles retained a few of their own players, including edge defender Khalil Mack and defensive tackle Teair Tart, and signed some external free agents, most notably guard Mekhi Becton and wide receiver Mike Williams. Here’s an updated look at how the first four rounds could turn out based on what we know.