Dolphins' CB nightmare keeps getting worse (and help isn't coming soon)

Miami Dolphins Training Camp | Megan Briggs/GettyImagesThe best news that came out of the Miami Dolphins' training camp session on Wednesday was that they didn't lose another cornerback.

Wednesday started horribly for Miami, as Mike McDaniel announced that Kader Kohou's season is over after suffering a knee injury earlier in the week. The news on Ashtyn Davis was better, but a timetable for his return isn't yet known.

With Kohou injury and Artie Burns suffering season-ending injuries, Miami must continue to look for reinforcements, if only to get through training camp. There are options on the free-agent market, but the best targets may not become available until the end of August, when teams…