Puma's unexpected NBA comeback: 'You can only surprise people once'

Terry Rozier had a simple message for the basketball and sneaker worlds last week.

"I ain't f-----' with nobody else but Puma."

The declaration from the Boston Celtics guard was quickly worked up into a graphic on the official Instagram account for Puma Basketball, perfectly encapsulating the splash the company is trying to make as it re-enters the NBA market for the first time in 20 seasons.

Here's the latest on another thrilling summer in the NBA:

• Free-agency news, buzz and rumors

• NBA Trade Machine: Make your own deals

• Lowe: Winners and losers | Rating the deals

• Details on each new free-agent contract

• Team-by-team free agents for '18 and '19

• Trade tracker: Grades and details

• World of…