When coaches discuss “day-to-day,” it’s more than a cliché. Behind the phrase lies a matrix of data: inflammation markers, gait analysis, range-of-motion metrics, and high-speed camera footage of foot strikes. Each morning, Purdy’s progress will be charted — color-coded spreadsheets tracking pain scores, swelling, and flexion degrees.

If numbers trend positive, he’ll progress. If not, rest.

This process also involves the sports performance team, which integrates GPS tracking and force-plate measurements to quantify how much load Purdy’s foot absorbs during throwing sessions.

In essence, Shanahan isn’t waiting for a “yes” or “no.” He’s waiting for a pattern — a consistent response that signals reliability. That’s what “not black and white” means in practice: the data has to trust the body before the coach can trust the player.

Fans, Media, and the Message

The ambiguity didn’t sit well with everyone. On sports radio and social media, fans demanded clarity. Some called for transparency; others urged rest. “Don’t risk another Jimmy G situation,” one tweet read. Another countered, “Tape it and go. It’s football.”

Shanahan heard it all. His job, however, isn’t to feed narratives but to manage reality.

“I get it,” he told reporters. “People want timelines. But this isn’t one you can schedule.”

The comment underscored the central tension of modern sports coverage: the demand for instant answers in a world where the body heals at its own pace.

The Offensive Ripple

If Purdy does sit, the 49ers’ offense faces adjustment at every level.

For one, the run-pass balance would shift. Shanahan may lean heavier on McCaffrey and Elijah Mitchell to reduce pressure on Darnold. That means more inside-zone runs, more play-action rollouts, and shorter passing concepts — a nod to ball control over explosiveness.

Receivers like Deebo Samuel and Brandon Aiyuk would see different route combinations designed for quick separation. Tight end George Kittle, meanwhile, might become the de facto third-down target — a role he relishes but one that exposes him to more contact.

Offensive line protection calls would change subtly too. Purdy’s quick trigger helps neutralize blitzes; without it, the line must sustain blocks longer, risking fatigue.

Each tactical tweak ripples through the game plan, a reminder that in football, even a single joint can reshape strategy.

The Quiet Confidence

By Wednesday, Purdy jogged lightly during warm-ups, prompting cautious optimism. Reporters noted a visible limp but also determination — that familiar stoic face framed by focus. Shanahan watched from a distance, arms crossed.

“He looked okay,” the coach later said, “but we’ll see how it responds tomorrow.”