The Chargers had hoped to be able to land an offensive playmaker here, but when the Lions took Mike Williams, it pretty much sealed the deal for San Diego to address a defensive need instead. Merriman has the speed, athleticism and instincts to immediately upgrade the pass rush. Complete analysis
Castillo became a household name when it was revealed he failed a drug test at February's combine. He later admitted taking androstenedione, classified by the NFL as a steroid, to help recover from an injury. Despite the positive test, Castillo's stock continued to rise. He has size and quickness and will fit in nicely alongside Shawn Merriman, the team's pick at No. 12. Complete analysis
Receiver is one of San Diego's most pressing needs, so it's not surprising they took one in the second round after spending two first-round picks on defense. Complete analysis
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