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Granted the Warriors have one of the greatest backcourts with two of the best shooters in the NBA, the Nuggets need help defensively on the perimeter. This is true even if Iggy stays in Denver.
After giving up 36.3 percent from behind the arc in the regular season (20th), the Nuggets gave up a devastating 40.4 percent to the Warriors. The next closest was Houston giving up 35.9 percent to Oklahoma City.
Ty Lawson has great speed, hands and awareness when it comes to guarding the prolific point guards in the West, but at 5'11", the opposition can shoot over him or create a mismatch in the post.
Andre Miller is taller at 6'2" and is one of the smarter defenders at point guard, but he is 37 years old with 14 years of mileage on him.
There isn't a lot to go off of when it comes to rookie Evan Fournier, considering he only played 13.3 minutes against Golden State and didn't get any playing time the last two games.
While he did have a few games at the end of the regular season when he created multiple steals, he's also given up some easy baskets. It's tough seeing him making a huge impact defensively in the near future.
Wilson Chandler is someone that can defend some of the great shooters, but while he's 6'8" and has great athleticism, he doesn't have the greatest speed defensively and some guards can get around him.
Essentially, the Nuggets are picking their poison outside Iguodala.
If the Nuggets lose Iggy, who finished ninth in NBA Defensive Player of the Year voting for 2013, this will be a more pressing issue. Even if he sticks around, Andre spends so much energy on both ends of the floor and on the glass that he needs some additional help.
While Golden State is giving San Antonio a headache with its tremendous guard play and there aren't many teams with a backcourt like that, if the Nuggets want to win the title, this gap must be filled.
As for who Denver should target, one excellent possibility would be Memphis' Tony Allen, who will become an unrestricted free agent in the offseason (per ESPN.com). Allen was paid $3.3 million for the 2012-13 season (via Hoopshype.com) and would be a great addition for the Nuggets for how much they would have to pay.