In 2012, Spavital's unit produced three players with Conference USA honors as D.J. Hayden was named first team All-Conference USA, Trevon Stewart was named to league's freshman team and Zach McMillian earned C-USA honorable mention honors. In addition, Stewart was named to the FWAA Freshman All-American team as he led all freshmen nationally with 126 tackles. McMillian led Conference USA with five interceptions while Hayden was second with four. In all, Spavital's group accounted for 14 interceptions.
Houston's defense was vastly improved in 2011 and ranked third nationally with 21 interceptions. Defensive back D.J. Hayden was named Conference USA Defensive Newcomer of the Year and was a Second Team All-C-USA pick. Overall the secondary allowed 16 yards less per game through the air despite breaking in three new starters and allowed two less TD throws in two more games played.
During the 2010 season, Spavital narrowed his focus to tutoring the safety position and aided a foursome of defenders who accounted for 213 tackles, four interceptions, 3.5 tackles for loss and eight passes broken up.
In 2009, the Cougars recorded 11 interceptions with cornerbacks Jamal Robinson and Brandon Brinkley finishing 1-2 on the team. Brinkley posted four pickoffs for 108 yards on the way to being named to the All-Conference USA Second Team. Robinson etched his name into Cougar lore with a 26-yard return for touchdown at No. 5/6 Oklahoma State that sealed the win for the Cougars.
Brinkley finished his career ranked among the Cougars' all-time career leaders in interceptions, games played and pass breakups.
During Spavital's first season with the Cougars in 2008, Houston defensive backs picked off 13 opposing passes with the four interceptions by Brinkley and Loyce Means topping all players.
Prior to Houston, Spavital spent three seasons as the defensive graduate assistant on Bob Stoops' staff at Oklahoma, where he worked closely with the defensive backfield and the scout team. Spavital helped lead the Sooners to a pair of Big 12 titles and two appearances in the Tostitos Fiesta Bowl.
Statistically, in each of his three seasons at OU, the Sooners' defense ranked at the top of the Big 12 and among the elite in the country in total defense. Oklahoma never finished outside of the top two in total defense in the Big 12, leading the league in both 2005 and 2006 while ranking second in 2007.
Nationally, the Sooners ranked 13th in total defense in 2005, 16th in 2006 and 26th in 2007.
He coached six players who earned All-Big 12 honors and five players who went on to sign NFL contracts, including 2007 third-round NFL Draft pick Reggie Smith.
A native of Tulsa, Okla., Spavital played football at Northeastern Oklahoma A&M for two seasons before transferring to Murray State in Kentucky where he played for two years. He was an All-Conference and All-Region selection and was named a Gridwire Scholar All-American.
Spavital graduated from Murray State in 2004 with a bachelor's degree in business administration.