Pratte was a switch-hitting infielder who was drafted by the Boston Red Sox in 1990 and the Detroit Tigers in 1991. He played five seasons in the Tigers’ farm system, advancing to AA level with the London Tigers, the Trenton Thunder, and the Jacksonville Suns. He was also on the Niagara Falls Rapids, the Fayetteville Generals, and the Lakeland Tigers.

Evan signed with the Tigers while he was playing for Southwest Missouri State University State University, now called Missouri State University. At SMS, he was selected to the All-Region team in 1991, and he was named All-Conference the next two seasons. His Bears team won the conference championship three times. In four seasons at SMS, Pratte set 12 career records that have not been broken. He was team captain his junior and senior seasons and was inducted into the Missouri State University Athletic Hall of Fame in 2008.

In the late 1980s, Pratte starred for Lafayette High School and the Ballwin American Legion team.

In 1977, he was manager of the Nevada Griffons in Nevada, Missouri. His team won the Jawhawk League Championship and finished second at the NBC Tournament in Wichita, Kansas. He coached college baseball at SMS from 1996-98. In 1998, he became the assistant baseball coach at the University of Missouri – Columbia. He was director of baseball operations at Mizzou from 2010-18. The Tigers won numerous championships during his 2 years at Mizzou. Pratted also served as assistant baseball coach at St. Louis University from 2019-21. He currently serves as Director of High School Baseball Operations for the Rawlings Tigers in St. Louis.