Shanahan Details Play-Calling Process With Purdy
Head coach Kyle Shanahan explains communication protocols and the team's system for relaying plays to quarterback Brock Purdy.
Updated on Oct. 24, 2026 in Football
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San Francisco 49ers head coach Kyle Shanahan recently detailed the communication process he uses to relay plays to 26-year-old quarterback Brock Purdy. The system relies on precise timing and specific protocols to ensure the offense functions effectively before the play clock expires.
Why it matters
Understanding this communication protocol highlights the technical coordination required to manage an NFL offense under time constraints. It also sheds light on how teams adapt to inevitable signal interference during high-stakes games.
Headset communication between coach and quarterback officially ceases when the play clock hits 15 seconds. The team also utilizes a pre-determined universal play call to maintain continuity whenever signal failures occur.
The players
Kyle Shanahan
He is the head coach of the San Francisco 49ers and is responsible for the team's offensive play-calling strategy.
Brock Purdy
He is the 26-year-old starting quarterback for the San Francisco 49ers.
The details
Coach Kyle Shanahan and Brock Purdy have worked together for five years, building a rapport that includes a 'can system' for adjusting calls at the line of scrimmage. When technical signal issues arise, the duo relies on established universal plays to keep the drive alive.
Timeline
Week 6: The 49ers defeated the Washington Commanders 23-17.
Week 7: The 49ers play the Atlanta Falcons.
Week 8: The 49ers have a scheduled bye week.
Season Trajectory
The refinement of this communication system is critical as the 49ers navigate a competitive schedule following their 23-17 victory over the Washington Commanders. Stable play-calling mechanics are essential for maintaining offensive rhythm against the Atlanta Falcons and through the mid-season bye week.
The established 'can system' allows for multiple play calls at the line of scrimmage, which impacts the team's ability to adjust to defensive looks in real time. Fans should watch for these pre-snap adjustments as a key indicator of offensive efficiency in upcoming matchups.
The takeaway
Effective communication between a head coach and quarterback is a vital component of modern NFL offensive success. Implementing reliable systems to bypass technical interference ensures that play-calling remains consistent even when technology fails.
What happens next
The 49ers are scheduled to play the Atlanta Falcons in Week 7, followed by a bye week in Week 8.
Further reading
For more on the team's ongoing development, visit the Football section.
Source note: This article includes information reported by NBC Sports Bay Area & California.
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