Nearly 20,000 tickets for Brooks' two concerts were scheduled to go on sale to the public on Sept. 9.
"While we are all excited for the 2018 Garth Brooks performances, our main focus at this time is to support our fans and our community during the rebuilding process," CEO Joel Cowley said in a statement.
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According to the RodeoHouston website, Brooks last appeared in 1993, two years after his debut 1991 performance.
The rest of the RodeoHouston concert lineup announcement is tentatively scheduled for January 2018.
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