For college QBs like Grayson McCall, there is no magic concussions number -- but hanging it up can bring peace

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  NC State QB Grayson McCall medically retires after suffering concussion vs. Wake Forest

  Sports - Yahoo Sports - October 24
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  NC State QB Grayson McCall retires from football after suffering concussion earlier in the season

  Sports - CBS Sports - October 24
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  NC State's Grayson McCall gives up football, says he can't come back from latest head injury

  Sports - ABC News - October 23
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  Oleksandr Zinchenko: ‘We need to stick together to bring peace in Ukraine, we cannot give up’

  World - The Guardian - October 21

• NC State QB McCall retiring after head injuries

  Sports - ESPN - October 24
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  Bills' Josh Allen facing Jets in 100th career game: Here's where QB's numbers stack up

  Sports - CBS Sports - October 14
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  Former Oilers Forward Hangs Up His Skates

  Sports - Yahoo Sports - October 15
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  Former Sabres Defenseman Hangs Up The Skates

  Sports - Yahoo Sports - October 27

• Concussion concerns remain for Miami QB Tua Tagovailoa

  Sports - ESPN - October 22

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