Greg Aiello, the senior vice president of communication at the NFL, tweeted a photo of the 41st president with his nephew, Denver Broncos president Joe Ellis.
"Broncos President Joe Ellis with his Uncle George from Houston who will toss the coin Sunday prior to #SuperBowl," Aiello tweeted.
Bush, along with his wife Barbara, will partake in the coin toss Sunday at Super Bowl 51 at NRG Stadium in Houston, where the New England Patriots will take on the Atlanta Falcons.
ORIGINAL STORY: President George H.W. Bush to do Super Bowl coin toss
He teased his involvement with the coin toss earlier this week, tweeting, "Getting fired up for Sunday and #Superbowl," along with GIF of a spinning Super Bowl coin on a desk with a photo of himself and the former first lady.
The former president spent 16 days in Houston Methodist Hospital. Barbara Bush also spent several days in the hospital at the same time for bronchitis.
ABC News' Christopher Donato contributed to this report.