As the Cardinals get ready for the beginning of the regular season, General Manager Steve Keim will likely keep tweaking the roster as always. Indeed, a report came out Thursday night that the Cards would bring in former Texans wide receiver Braxton Miller for a workout. Friday morning, Keim, in his initial weekly appearance on the "Doug and Wolf" show on 98.7, Arizona Sports Station, complimented his current wide receiver corps. He was also asked specifically about looking at free agent wide receiver Dez Bryant.

"I always try and remain aggressive when it comes to player acquisition, regardless of whether it is a vet or someone we can kick the tires on as a young player," Keim said. "But this isn't fantasy football. There is a business side to this as well. To be honest, we talk about all these players. ... but at the same time, there is a business side that can create obstacles."

Does that mean Keim is talking about internally or perhaps with an agent or two?

"All of it," Keim said. "We have that dialogue and conversations all day every day. That's what we do. We're not over here playing Fortnite."

-- Keim also touched on the David Johnson contract situation, something Johnson talked about this week as well. Keim said the Cardinals remain hopeful a deal gets done and that the team and Johnson's camp have had "constant dialogue." Keim added he sees no dropoff in Johnson's play from his 2016 level. "There's no doubt in my mind David is poised to have a great year," he said.

Keim declined to get into specifics about what the hangups might be that it isn't done yet, but interestingly, he was blunt when it was asked if the Cardinals were waiting a bit for Johnson to prove he can stay healthy after missing most of last season.

"Not at all," Keim said. "I'm convinced David is the guy we want to keep as a core member of this team."

-- Keim said Johnson and tight end Ricky Seals-Jones in particular are going to help with the inexperience in the wideout room, and that offensive coordinator Mike McCoy will be searching for the mismatches on a weekly basis to aid the offense.

-- He didn't have a timetable on the return to game action for tight end Jermaine Gresham and defensive end Markus Golden, other than to say it will be "sooner rather than later."

-- The main guy Keim will be watching in the season opener? Defensive tackle Robert Nkemdiche.

"I want to see if Robert Nkemdiche can translate the type of camp he had prior to the (foot) injury to the regular season," Keim said. "It's time for him to step up. There's no doubt about it. We have expectations, he has expectations on himself. But talk is cheap, and it's time to do it on the field. He has all the physical traits you look for, but the fact he hasn't done it is a real concern."