The Rockets will be in the Western Conference's Group C along with the Denver Nuggets, Golden State Warriors, Portland Trail Blazers and San Antonio Spurs. The Warriors defeated the Rockets in a seven-game series in the first round of the playoffs last spring.

"Amid so much sorrow, we are inspired by the strength of the Texas community as it comes together during this incredibly difficult time," the group said.

The NFL announced the contributions in a social media post on Sunday, two days after a deluge of floodwaters devastated Kerr County and other areas near San Antonio. The catastrophic flooding that tossed vehicles sideways and ripped homes out of their foundations left at least 100 people dead as of Tuesday.