Marvin Harrison Jr. Just Sparked The Concern Cardinals Fans Feared Most

Marvin Harrison Jr.'s quick recovery from a recent scare during Cardinals' training camp highlights his potential as a key player in the upcoming season.

The Arizona Cardinals got a scare in their last training camp practice when Marvin Harrison Jr. was seen dealing with multiple issues, but the concern didn’t last long.

After a scheduled day off Monday, the team returned to work Tuesday, and head coach Mike LaFleur said Harrison is fine.

"Cramping. Yep.

He's totally good. He was cramping," Cardinals head coach Mike LaFleur said of Harrison ahead of Tuesday's practice, where pads are set to come on for the first time.

Harrison had looked uncomfortable during Sunday’s session, first hobbling early before later landing awkwardly on his side. He was also spotted in obvious discomfort after hauling in a sideline catch during team drills.

The timing matters for Harrison, who is heading into a crucial third season in the league. Arizona drafted him No. 4 overall, and after a career that has already had its share of highs and lows, the Cardinals are hoping LaFleur can get the most out of him now.

That task comes in a receiver room that also includes Trey McBride and Michael Wilson, with no designated WR1 in Arizona. LaFleur said the goal is to keep the group moving fast without overcomplicating things.

"You just try to put them in those positions. Who [receiver] one is number one on the progression for that play.

And you're trying to do that balancing act of like, hey, we got talent. Don't overthink this thing.

Don't try to get too schemy. Let these guys go out and play fast [and] do what they do well," LaFleur said.

"But at the same time, [we need to] put them in positions where you know it's not a dead play, if you will. So there's a lot of lot of elements to it.

"There's so much to it in terms of putting these guys in positions that we think they're going to be successful within the scheme that we're trying to get done and the defense that we're going against."

Harrison’s health has been a storyline before. Last season, appendicitis, two heel injuries and a concussion cost him five games, and he said in June during mandatory minicamp that he still wasn’t fully healthy.

"I go 100% [during practice]. I'm still out there doing everything I normally would do, but yeah, it's just like an ongoing process for sure," Harrison said.

The Cardinals are now through four practices of their 2026 training camp period, with their first preseason action set for Thursday, Aug. 6 in the NFL’s Hall of Fame Game against the Carolina Panthers.

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