ESPN's Mark Stein just tweeted this out:
<blockquote class="twitter-tweet" data-partner="tweetdeck"><p>Hearing Grizzlies have trade in the works: Darrell Arthur and 55th pick will be dealt to Denver for Kosta Koufos</p>— Marc Stein (@ESPNSteinLine) <a href="https://twitter.com/ESPNSteinLine/statuses/350445836095864833">June 28, 2013</a></blockquote>
<script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
Darrell Arthur makes more than Koufos. Arthur will make $3.2 million this season and has a player option for $3.4 million next season.
We'll keep you posted on this one.