Hollis returned to the United States in 2014 when he signed with the Lehigh Valley Steelhawks of the Professional Indoor Football League. Hollis was named First Team All-League as both a defensive back and kick returner.[4] Hollis was also named the PIFL's Special Teams Player of the Year.[5] Hollis was the only defensive player in the PIFL to lead his team in all-purpose yardage.
Trenton Freedom
Hollis signed with the Trenton Freedom for 2015, but he placed on the other league exempt list before the season began.
Philadelphia Soul
On October 6, 2014, Hollis was assigned to the Philadelphia Soul.[6] On October 9, 2015, Hollis had his rookie option exercised by the Soul. Hollis was named Second Team All-Arena following the 2016 season.[7] Hollis helped lead the Soul to an ArenaBowl XXIX championship.[8] Hollis was once again assigned to the Soul for the 2017 season.[9] He earned AFL Defensive Back of the Year and First Team All-Arena honors in 2017.[10][11] On August 26, 2017, the Soul beat the Tampa Bay Storm in ArenaBowl XXX by a score of 44–40.[12]
Hollis was placed on the league suspension list as a member of the Philadelphia Soul on March 20, 2019, after he signed with the Legends of the AAF. After the AAF suspended football operations, he was activated from league suspension by the Soul on April 6, 2019.
Albany Empire
On November 26, 2021, Hollis signed with the Albany Empire of the National Arena League (NAL).[17] On December 5, 2022, Hollis re-signed with the Empire.[18] On May 5, 2023, Hollis was released by the Empire.