The Michael Crabtree workout was the Cardinals doing what they can to search for players who could improve the roster, Kliff Kingsbury said Tuesday.

The veteran wide receiver hasn't signed, but Kingsbury wouldn't rule it out either.

"Anything can happen," Kingsbury said. "He's a talented player and been successful in this league. We'll see where that goes."

But Kingsbury made clear something else – while there may be an effort to improve the talent level, it isn't experience he necessarily seeks at wide receiver. After Larry Fitzgerald, the Cardinals have little in that area – although second-year man Christian Kirk carries himself beyond his years – and Kingsbury is OK with that.

"I'm excited about it, honestly, for them to start with a young quarterback and grow up together," Kingsbury said. "Learn a system and hopefully grow up in a system for I hope quite some time. To me, it's a fresh start for all those guys, and to learn from a guy like Fitz, that's one way to expedite things as a pro."

KEVIN WHITE'S FIGHT FOR A SPOT

One player Kingsbury spoke specifically about was Kevin White – a player who could be impacted if a veteran wideout was signed.

"He has to continue to show us he is deserving of that spot," Kingsbury said. "There is a lot of young talent there at the position. He's right there in the mix. He understands it's about consistency and availability at this point for him. He has not been available in those previous four years as much as you'd want as a coach."

White has played in just 14 games in his four NFL seasons. He did not practice Tuesday, although Kingsbury did not say in his pre-practice press conference why.

GILBERT, SEALS-JONES OK

Both right tackle Marcus Gilbert (groin) and tight end Ricky Seals-Jones (hand) left practice early on Monday, but Kingsbury said both were fine. Seals-Jones practiced Tuesday, but Gilbert was held out.

Wide receiver Andy Isabella returned to practice Tuesday for the first time since hurting his knee last week.