2009: Zeleznak saw time in 14 contests for WT as a junior in 2009, starting three contests and registering one save. He recorded a 6.75 ERA with 19 strikeouts in 26.2 innings on the mound for an 0-2 overall record.
2008: Zeleznak appeared in 14 games on the mound for the Buffs in 2008, starting 10 contest. Zeleznak tallied two complete games on the season, striking out 45 batters in 69.0 innings of work. On Feb. 29, Zeleznak struck out six Bulldog batters during seven innings of work, as the Buffs defeated Southwestern Oklahoma, 8-4.
2007: Zeleznak saw time in 10 games for the Buffs as a freshman in 2007, registering a 5.59 ERA with 15 strikeouts in 19.1 innings of work.
High School: Zeleznak graduated from Grapevine HS (Texas) in 2006. He was named second team all-district as a senior for the Mustangs under head coach Tim McCune. Zeleznak was also a member of the National Honor Society.
Major: Zeleznak is a Biochemistry major at West Texas A&M.
Personal: Zeleznak is the son of Larry and Ellen Zeleznak and has one sibling, Robert.