Raiders’ Leon Hall ‘better’ after being hospitalized Sunday in Denver

What happened Sunday is more difficult to explain.

“When you’re going through it?” Hall said Thursday. “I can’t describe it. It’s kind of scary.”

The Raiders cornerback did not travel back to Oakland with the team following its Sunday game against the Broncos. He was hospitalized overnight in Denver for evaluation following an episode related to his carriage of the sickle cell trait. Issues can arise at high altitude, where the atmosphere contains less oxygen than at sea level.

Broncos Stadium at Mile High is at 5,280-foot elevation.

Hall played there twice before with the Cincinnati Bengals, in 2011 and 2015.

“The sickle cell trait got to me,” Hall said. “And usually, I can handle it pretty well. I’ve played there a couple times, and I’ve had the same issue, kind of, but not as extreme. That one kind of came out of nowhere for me. … Breathing is tough. Chest is hurting. You feel real fatigued — ‘heavy’ would be a good word for it, too. It’s not a good feeling, especially when you’re trying to play defense and cover people. It’s not great.”

Sickle cell trait involves an abnormal gene for hemoglobin, a protein that transports oxygen in red blood cells.

According to University of San Francisco Health, extreme physical exertion at high elevation can render someone who possesses it more prone to “splenic infarction.” Its website characterizes the illness as “tissue death in the spleen caused by a lack of oxygen to this vital organ. … Splenic infarction causes sudden and sometimes severe pain in the left side of the chest and abdomen.”

Hall, a starting nickel corner, pushed through his situation.

He played 55 of 66 defensive snaps in the 20-19 loss, including all 10 plays of a decisive fourth-quarter drive. Hall’s circumstances provide context not only to his afternoon but, from a larger viewpoint, the greater grittiness on display from Raiders defenders during an albeit disappointing finish.

The physical exhaustion was obvious.

At 92 degrees for kickoff, Sunday marked the warmest home game in Broncos franchise history. Heat and altitude effects were exacerbated in the second half, as all four of Denver’s offensive drives spanned double-digit plays. In the final series, which culminated in a field goal with six seconds remaining, Raiders defensive ends Bruce Irvin and Arden Key didn’t sub out once; they were assigned to rush on all 10 plays. Between some snaps, they stood with their bodies hunched over, hands on knees, fighting to catch their breath.

At one point, defensive end Frostee Rucker laid on the field after a play. The officiating crew did not stop the game, so Rucker hurried back to the line of scrimmage.

And then, there was Hall, who sprinted and dove for an open-field tackle on a 26-yard reception that set up the field goal. His very presence on the field was a feat.

Hall, 33, joined the Raiders in March on a one-year contract. He quickly proved to be a valuable addition, earning not only a roster spot and role but serving as a mentor to younger teammates. Before the season, he was voted one of six team captains.

Hall received intravenous fluids and underwent additional testing in Denver before returning to Oakland on Monday evening. He has practiced throughout this week and is expected to play Sunday against the Miami Dolphins.

“I feel better now, so that’s all I’m really worried about,” Hall said. “I’m glad I got through it, and hopefully, it doesn’t become any kind of issue going forward.”

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Contact reporter Michael Gehlken at mgehlken@reviewjournal.com. Follow @GehlkenNFL on Twitter.