According to Sports Illustrated and E! News, the Arizona Cardinals tight end and the U.S. women’s national soccer team player took to Instagram on Thursday to announce the birth of their first child, Madden.
“One week with our sweet boy!” Zach Ertz, 31, captioned a photo of the newborn. “Madden Matthew Ertz, you are so loved. Beyond grateful to be your dad. @JulieErtz and I can’t even put into words how blessed we are to be your parents.”
Julie Ertz, 30, shared the same photo with a similar caption.
The baby, who arrived at 11 a.m. Aug. 11, weighed 8.2 pounds and measured 22 inches long shortly after his birth, according to a small sign featured in the photo.
The new parents, who tied the knot in 2017, marked their fifth wedding anniversary in March, E! reported.
Photos: Zach Ertz through the years Check out some memorable photos of NFL star Zach Ertz through the years. (Steph Chambers/Getty Images)
Photos: Zach Ertz through the years 2010: Zach Ertz of the Stanford Cardinal is congratulated by Ryan Whalen after he scored a touchdown against the Oregon State Beavers at Stanford Stadium on November 27, 2010, in Palo Alto, California. (Ezra Shaw/Getty Images)
Photos: Zach Ertz through the years 2011: Zach Ertz of the Stanford Cardinal scores a 25-yard touchdown reception in the second quarter against the Virginia Tech Hokies during the 2011 Discover Orange Bowl at Sun Life Stadium on January 3, 2011, in Miami. (Marc Serota/Getty Images)
Photos: Zach Ertz through the years 2012: Zach Ertz of the Stanford Cardinal reacts after he scored a 16-yard touchdown reception in the third quarter against the Oklahoma State Cowboys during the Tostitos Fiesta Bowl on January 2, 2012, at University of Phoenix Stadium in Glendale, Arizona. (Doug Pensinger/Getty Images)
Photos: Zach Ertz through the years 2013: Zach Ertz of the Philadelphia Eagles celebrates a touchdown in the first quarter against the Arizona Cardinals at Lincoln Financial Field on December 1, 2013, in Philadelphia. (Maddie Meyer/Getty Images)
Photos: Zach Ertz through the years 2014: Zach Ertz of the Philadelphia Eagles celebrates after scoring a touchdown pass from Nick Foles in the fourth quarter against the New Orleans Saints to take the lead 24-23 during their NFC Wild Card Playoff game at Lincoln Financial Field on January 4, 2014, in Philadelphia. (Al Bello/Getty Images)
Photos: Zach Ertz through the years 2015: Zach Ertz of the Philadelphia Eagles jumps over DeAngelo Hall of the Washington Redskins after making a catch for a first down in the second quarter of a football game at Lincoln Financial Field on December 26, 2015, in Philadelphia. (Rich Schultz/Getty Images)
Photos: Zach Ertz through the years 2016: Zach Ertz of the Philadelphia Eagles makes a one-handed catch against Jordan Poyer of the Cleveland Browns in the first quarter at Lincoln Financial Field on September 11, 2016, in Philadelphia. (Mitchell Leff/Getty Images)
Photos: Zach Ertz through the years 2017: Zach Ertz of the Philadelphia Eagles celebrates after scoring a 10-yard touchdown against the New York Giants during the second quarter in the game at MetLife Stadium on December 17, 2017, in East Rutherford, New Jersey. (Elsa/Getty Images)
Photos: Zach Ertz through the years 2018: Zach Ertz of the Philadelphia Eagles celebrates defeating the New England Patriots 41-33 in Super Bowl LII at U.S. Bank Stadium on February 4, 2018, in Minneapolis. (Gregory Shamus/Getty Images)
Photos: Zach Ertz through the years 2019: Julie Ertz of the USA celebrates with her husband, NFL player Zach Ertz, following USA's victory in the 2019 FIFA Women's World Cup France Final match between the United States of America and the Netherlands at Stade de Lyon on July 07, 2019, in Lyon, France. (Elsa/Getty Images)
Photos: Zach Ertz through the years 2020: Zach Ertz of the Philadelphia Eagles looks on during training camp at NovaCare Complex on August 17, 2020, in Philadelphia. (Yong Kim-Pool/Getty Images)
Photos: Zach Ertz through the years 2021: Zach Ertz of the Arizona Cardinals celebrates after scoring a touchdown in the third quarter against the Houston Texans in the game at State Farm Stadium on October 24, 2021, in Glendale, Arizona. (Chris Coduto/Getty Images)
Photos: Zach Ertz through the years 2022: Arizona Cardinals football player, Zach Ertz and wife Julie Ertz pose together while attending UFC 274 at Footprint Center on May 7, 2022, in Phoenix. (Christian Petersen/Getty Images)