It happened two years ago, if I'm not mistaken. I also believe it was either directly following or shortly after Darko blocked a Mutombo hook shot around the dotted line. I don't remember there being any kind of pushing or anything leading up to that. EDIT: It was definitely 2 years ago. You can clearly see Maurice Evans walk into the shot at the last second. He was with the Lakers in '06-'07.
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they got into another argument this seaosn too, it was during the streak, and i remember the next possesion mutombo tried to do his little hook, but airballed it. though he redeemed himself by blocking darko a couple of times.
Sometimes Deke is being childish. last game i guess against the Clippers when his shot got block, he complained to the ref while the ball was in play. He didn't return to defense and Coach RA was yelling at him.
http://ballhype.com/video/darko_trash_talks_dikembe_mutombo_1/ This year's flair up. Obviously, Darko knows how to push Deke's buttons. I have to say though, during a game, I'd like that guy instigating some junk on my team. I like the sly grin, just doing everything he can to bait Deke into throwing a punch and getting tossed. No, I don't really like Darko, but I like the tactic.