A History of Short Words

From the New York Times Crossword Puzzle

NBA

Tue, 9 Nov '21
Org. for Pistons and Rockets
Sun, 26 Sep '21
Dallas and Houston are in it, in brief
Sun, 19 Sep '21
Org. that bestows the Community Assist Award
Thu, 9 Sep '21
Magic org.
Wed, 7 Jul '21
Org. appropriately found in Elgin Baylor's name
Sun, 21 Mar '21
Hoops grp.
Thu, 4 Mar '21
With 39-Across, classic sports video game ... or a hint to four squares in this puzzle