2015 season Wassink did not see any game action in 2015 and was subsequently redshirted.
2016 season As a redshirt freshman, Wassink did not see any game action but ran the scout team as Western Michigan rolled to a 13–1 record and a MAC championship.
2017 season Entering the season with a new head coach, Wassink was named the starting quarterback for the season opener against ranked opponent
USC. He threw for 67 yards and a touchdown while also rushing for another touchdown in a 49–31 loss. He played in seven more games before suffering a broken collarbone against
Eastern Michigan and missing the remainder of the season.
2018 season Wassink once again entered the 2018 season as the Broncos starting quarterback. After starting the first seven games of the season, he was added to the
Manning Award watchlist after racking up 1,929 passing yards and 16 touchdowns. This achievement was short-lived as he suffered an injury to his right foot against
Toledo and missed the remainder of the season once again. He earned his bachelor's in accountancy from Western Michigan in spring 2018.
2019 season Aiming to play a full season, Wassink led the Broncos to a 7–5 record and an invite to the
First Responder Bowl. He threw for 193 yards with a touchdown and an interception, but the Broncos ultimately lost to
Western Kentucky on a last second field goal 23–20. At the end of the season, Wassink was named the recipient of the
Wuerffel Trophy, given to the college football player "who best combines exemplary community service with athletic and academic achievement." He was also named to the All-MAC team as a member of the third-team offense. After initially training for the
2020 NFL draft, Wassink elected not to pursue a professional football career, citing the lack of interest from agents and no pro day due to the
COVID-19 pandemic.
College statistics == Personal life ==