The Arizona Cardinals held their first fast-paced day of training camp. A linebacker went down with an injury, but some starters looked sharp.

www.si.com/nfl/cardinals Arizona Cardinals Training Camp Notebook: Day 2 When speaking with reporters after practice, Calais Campbell said he told Walter Nolen to let his calf injury completely heal instead of trying to rush back.

The Arizona Cardinals have opened training camp in Glendale. An 8-9 finish last year wasn’t good enough for the playoffs, but was a four-win improvement over the previous season.