He collected 53 total tackles and four interceptions as a senior, earning first-team 3A All-State honors after returning five kickoffs for scores, and contributing with three touchdown receptions on offense.
[2] He finished with 49 total tackles, including 6.5 for loss, three interceptions, a fumble recovery, and an SEC leading 18 passes defended.
[6] Throughout training camp, secondary coach John Butler held an open competition for the job as the third cornerback on the depth chart.
[7] Head coach Bill O'Brien named Hal the fifth cornerback on the depth chart to start the regular season, behind Johnathan Joseph, Kareem Jackson, A. J. Bouye, and Elbert Mack.
[12][13] Texans' staff chose to move him to safety after it became evident his ability to earn playing time at cornerback would be difficult due to the arrival of 2015 first round pick Kevin Johnson and the presence of Johnathan Joseph, Kareem Jackson, and A. J. Bouye.
Throughout training camp, Hal competed against Eddie Pleasant, Lonnie Ballentine, and Stevie Brown for the job as the starting strong safety after it was left vacant due to the release of D. J.
[14] Defensive coordinator Romeo Crennel named Hal the backup strong safety behind newly acquired free agent Quintin Demps to start the regular season.
[15][16] On October 18, 2015, Hal earned his first career start at strong safety in place of Quintin Demps, who sustained a hamstring injury the previous week.
[17] Hal recorded three combined tackles, two pass deflections, two interceptions, and his first career touchdown during their 31–20 victory at the Jacksonville Jaguars.
He made his first career interception in the third quarter off a pass by quarterback Blake Bortles that was intended for tight end Julius Thomas.
[18] On October 29, 2015, head coach Bill O'Brien notified Hal that he would replace Rahim Moore as the starting free safety for the upcoming game in Week 8.
On October 16, 2016, Hal recorded four combined tackles and made his first career sack on quarterback Andrew Luck during a 26–23 victory against the Indianapolis Colts.
[26] Hal entered training camp slated as the starting free safety and saw minimal competition from Corey Moore, K. J. Dillon, and Eddie Pleasant.
The following week, he collected a season-high nine combined tackles and broke up a pass in the Texans' 42–34 loss to the Kansas City Chiefs.