Dikembe Mutombo dominated a bunch of NBA studs in his career -- but DM tells TMZ Sports there were TWO guys he knew he just couldn't stop.
Mount Mutombo was leaving LaGuardia yesterday ... when the 7 ft. 2 in. big man revealed his toughest opponents ... two guys who Dikembe knew would drop 30 on him every time they faced off.
It's interesting stuff -- but the best part of the clip had to be when the legend SCHOOLED our photog on the art of the finger wag. Check it out.
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