Bryant and Rondo have a well-documented relationship and were seen having lunch together in Boston when the Lakers made a road trip to play the Celtics in December. Rondo was traded to Dallas later in the month .

MORE: Tracking Celtics’ trades | Kobe can’t name five current Celtics | What Lakers-Celtics once was 

The Mavericks expect to re-sign Rondo after his contract expires at the end of the season, but owner Mark Cuban will have to compete with Bryant’s recruiting efforts.

“No way,” Bryant told the Boston Herald when asked if he’s done pursuing Rondo. “I’m not done. I’m not stopping until he signs an extension.”

The two All-Stars have faced off in the NBA Finals twice, with each player winning a title against the other.