Essink attended Zeeland High School, where he played as a tight end. He began practicing wrestling as a senior, going undefeated and winning the heavyweight Class B title, which was the school's first state title in any sport. He accepted a football scholarship from Grand Valley State University, after the wrestling coach Jim Scott, convinced head coachJim Harkema to make the offer. As a sophomore, he was converted into an offensive tackle because of an injury to a starter. He would become an NCAA Division II and NAIAAll-American. As a junior, he helped the team achieve the best record in school history and qualify to the playoffs for the first time. They lost against Elon College in the semifinals of the NAIA playoffs. He also practiced wrestling, compiling a 91-10 record. He won national titles in the NCAA Division II and NAIA championships. He received All-American recognition after placing seventh at the NCAA Division I championships. In 1991, he was inducted into the Grand ValleyState UniversityAthletics Hall of Fame.
Professional career
Seattle Seahawks
Essink was selected by the Seattle Seahawks in the 10th round of the 1980 NFL Draft. He became the first Grand Valley player to be drafted by an NFL team. As a rookie, he started 3 games at left tackle, when he passed Louis Bullard on the depth chart. On November 27, he scored a touchdown on a two-yard pass from Jim Zorn, for the only Seahawks' points in a 7-51 loss against the Dallas Cowboys. He was the regular starter at left tackle for the following 5 seasons, until injuries started to limit him. In 1986, rookie Ron Mattes was named the starter at left tackle and Essink ended up missing the entire season because of elbow injuries. In 1987, he was sidelined with a pulled groin muscle he suffered in the second day of training camp. On August 25, he was traded to the Dallas Cowboys in exchange for a fifth round draft choice.
Dallas Cowboys
In 1987, the Dallas Cowboys acquired him to be the starting left tackle. On September 1, he announced his retirement from professional football, one week after being traded. He had undergone 6 surgeries on both elbows in the previous two years.
Personal life
After football, he returned to Zeeland High School, to become a teacher and a wrestling coach. He also worked for the Zeeland Street Department.