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Castillo broke his leg in Week 1 last September and missed the remainder of the season. He visited the Kansas City Chiefs and New England Patriots as a free agent before signing a one-year, $1 million deal to return to the San Diego Chargers. It will be interesting to see if those teams now sniff around Castillo.
"Luis is, he was really having an outstanding camp last year and got hurt in the opening game, and he's, I think he's healthy," Turner said in April. "Last time I talked to him, he thought he was making great strides and great rehabilitation. I see him as a good football player."
Something obviously changed between then and now.