Haack graduated from Dowling Catholic High School in 2013. He was rated by Rivals.com as the No. 15 kicker in the nation and the state of Iowa's No. 10 overall prospect. On September 14, 2018, Haack was inducted into the Dowling Catholic High School/St. Joseph Academy Athletic Hall of Fame for his exemplary high school career.
College career
Haack attended and played college football for Arizona State from 2013 to 2016. In the 2013 season, he shared the punting duties with Alex Garoutte, Dom Vizzare, and Taylor Kelly. He finished with 16 punts for 612 net yards for a 38.3 average. In the 2014 season, he handled most of the punting duties with Taylor Kelly and Mike Bercovici handling the rest of the work. He finished with 53 punts for 2,296 net yards for a 43.3 average. In the 2015 season, he handled all but three punts, which went to Bercovici. He finished with 74 punts for 3,186 net yards for a 43.1 average. He finished fifth nationally and fourth in the Pac-12 in averaging 43.1 yards per punt in 2015. As a senior in 2016, he handled all of the team's punts except for three by teammate Manny Wilkins. He had 66 punts for 2,897 net yards for a 44.4 average.
Professional career
Haack signed with the Miami Dolphins as an undrafted free agent on May 5, 2017. He earned the Dolphins starting punter job as a rookie, beating out incumbent punter Matt Darr. On September 1, 2017, the Dolphins cut Darr and signed Haack to a three-year, $1.67 million contract. On September 17, 2017, he made his NFL debut against the Los Angeles Chargers. He had three punts for 130 total yards. Overall, in the 2017 season, he finished with 83 punts for 3,695 net yards for a 44.52 average. In Week 9 of the 2018 season, Haack was named AFC Special TeamsPlayer of the Week after averaging 44.7 yards on nine punts in a 13-6 win over the New York Jets. Overall, Haack had 87 punts for 3,884 net yards for a 44.64-yard average in the 2018 season. On December 1, 2019, Haack was the centerpiece of a trick play in which he completed a one-yard touchdown pass to kicker Jason Sanders in the end zone during the 37–31 win, marking the NFL's first touchdown pass to a kicker since October 16, 1977. Overall, Haack had 69 punts for 3,105 net yards for a 45.00-yard average in the 2019 season. On April 1, 2020, Haack was re-signed to a one-year, $2.133 million contract.
