Running back Fred Jackson brought the coolers filled with bottled water and sports drinks. Quarterback Ryan Fitzpatrick brought the laughs as several Buffalo Bills opened their NFL-lockout version of a voluntary minicamp Monday. Proudly displaying his sweat-soaked T-shirt after a 40-minute running and conditioning session, Fitzpatrick winked and said, "That's why I wore a grey T-shirt, so it looks like I was working hard." With no end to the NFL labor dispute in sight, this is about as lathered up for football as Fitzpatrick and his colleagues can get these days. He was one of about 35 Bills -- plus a handful of undrafted rookie free agents -- taking part in a two-hour informal workout inside a suburban Buffalo sports complex that doubles as home to the Western New York Flash of the Women's Professional Soccer League. Read more: http://sports.espn.go.com/nfl/news/story?id=6580033