Looking to trade for a left fielder?  This entry in the Trade Market series has you covered.  We covered free agent left fielders here. Carl Crawford, Rays.  Crawford's $10MM (plus escalators) club option for 2010 should be exercised soon.  Crawford has said he'd like to sign an extension this winter or else play out the 2010 season and try free agency.  In a September mailbag, Marc Topkin of the St. Petersburg Times considered a winter Crawford trade "very unlikely&...