Trey Yesavage shot to fame through his stunning postseason performances for the Toronto Blue Jays. The rookie pitcher was an integral part of the starting rotation as they made their way to the World Series.Yesavage is enjoying the offseason in stark contrast to the hustle of his first season in the majors. He spent quality time with his girlfriend, Taylor Frick and their other friends at the University of North Carolina system's Alumni Weekend.On Instagram on Monday, Frick documented a fun-filled weekend with familiar faces. The carousel featured her friends, Trinity Dunlap and Janie Lauther, often seen on her wall. Frick uploaded two romantic pictures of Trey and herself embracing in a backyard with the background perfectly representing the fall season.Trey Yesavage wore a matte purple short-sleeved polo shirt with a white patterned design. He paired it with khaki pants and added a black baseball cap as an accessory and white sneakers as footwear. Frick, meanwhile, wore a chic black short jumpsuit with a V-neck and blazer-type collar with a silver buckle on her belt and knee-high black boots.The Blue Jays starter reshared the post on his Instagram story, describing his feelings with three emojis.Trey Yesavage's Instagram story featuring his girlfriend Taylor Frick's Instagram post (Source: Instagram @trey.yesavage)Yesavage and Frick are both graduates of East Carolina University, part of the University of North Carolina system, where the two met and started dating. Before being drafted by the Blue Jays last year, Yesavage played for three seasons in ECU, while Frick graduated in health sciences this year.Trey Yesavage gets huge ovation at East Carolina University football gameTrey Yesavage also got a resounding welcome as the ECU Pirates football team played Charlotte on Saturday. The former ECU baseball star rallied support for the team with a motivational cry midgame."It's great to be back. Let's go, Pirates," Yesavage said on the mic.Yesavage is expected to continue his dominance on the mound during his first full season with the Blue Jays next year. His 5.1-inning hitless outing against the New York Yankees in the American League Division Series and 12-strikeout outing against the Los Angeles Dodgers in the World Series have become part of the Blue Jays' postseason folklore.