" With players not required to report until this morning, check-in day at the Vikings' training camp featured far fewer starters than usual Wednesday.

Their three remaining draft choices were all on hand, though, after safety Tyrell Johnson, quarterback John David Booty and center John Sullivan signed four-year contracts.

Johnson, a second-round pick from Arkansas State, said he had been working out in Eden Prairie for the past 1 1/2 weeks and never worried that he might not make it to camp on time.

"I've been thinking about this for about the last month now," he said. "I've been training hard. I'm ready to roll, ready to prove myself and show everybody who Tyrell Johnson is."

Booty, a fifth-round pick from Southern California, said he also was determined to avoid even a brief holdout.

"I've seen guys who've sat out and the way it's hurt them," he said. "I just wanted to get here and be part of the team. This offense I don't think is the easiest thing in the world to pick up, the West Coast system."

Booty said he was able to absorb "a decent bit" of the playbook during the offseason, but he knows he still has a long way to go.

"A lot of people thought going into it that it was like the same terminology, the same plays and it was not like that at all," he said. "Some stuff is similar, but there's still a lot to learn." "