For those keeping score at home, “they” is referring to the Browns training staff, Dr. Neal ElAttrache, the Los Angeles-based surgeon who operated on Watson, and Watson’s group, which includes his quarterback coach Quincy Avery.
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Clear as mud...
They simply don't know, and don't want to put a date on things (the media will over blow it if the date comes after the fact).
No need to draw any conclusions, but it certainly looks like he may not be ready at training camp. No QB has had this kind of surgery before.