Sam Darnold has kick-started his new season with the Seattle Seahawks in their season-opening game last week against the San Francisco 49ers. It marked not just his debut season with a new team, but also his first since getting engaged to Katie Hoofnagle.His fiancée attended the game to cheer for him and later shared a glimpse of the outing in a post on Instagram on Monday. She shared pictures from the sidelines and, in the caption, talked about the pressure while watching the NFL quarterback play."football & my elevated resting heart rate are back," Hoofnagle wrote. View this post on Instagram Instagram PostHer heart rate was around 122 bpm. She shared a screenshot of the heart rate in the last slide of the post. Hoofnagle joined the NFL partners to cheer for the team and posed with them in the first slide of the post. In the third slide, she included a picture of her fiancé from the sidelines.Hoofnagle also caught attention for her stylish custom-made outfit for game day. She wore a blue-and-white striped shirt that she matched with a black crop top and wide-leg, baggy, faded denim pants.Her shirt had “Seahawks” printed on its back along with a team logo. She kept her hair open and completed her look with a transparent handbag and goggles, along with a few bracelets and a pendant.However, it was a disappointing start for the Seahawks. They lost to the 49ers 17-13 in the first game. Sam Darnold recorded 150 yards in passing.Sam Darnold’s fiancée Katie Hoofnagle shares sweet summer moments ahead of Seahawks seasonDuring the offseason, Sam Darnold spent a good amount of time with his fiancée, Katie Hoofnagle. On July 30, ahead of the start of the preseason games, Hoofnagle shared several pictures of her offseason outing with a two-word caption."summer celebrations !!!" she wrote. View this post on Instagram Instagram PostShe shared the snaps with her friends and family members, and also a few pictures of her engagement celebration. In the last slide of the post, Hoofnagle provided a glimpse of Sam Darnold’s golf outing.In June, she celebrated Darnold’s 28th birthday and shared a few pictures of the couple along with a heartfelt caption."Amidst the chaos of our everyday lives, every day spent with you is filled with an abundance of peace, laughter, presence, joy, and love. Here’s to another trip around the sun sharing good meals, good music, and good company. Happy 28th birthday to my better half, I love you more," she wrote. Sam Darnold's fiancée Katie Hoofnagle/@_hoofyThe pair got engaged in July. The Seahawks quarterback proposed to her in Dana Point, California. He decorated the place by the side of a lake with white flowers.