article_snippet: Juan Martin Del Potro was one of the male players in attendance ahead of The 2015 Miami Open in Florida .
article_snippet: Del Potro, who has been plagued by injuries, dropping to 616 in the world rankings, will kick off his Miami Open campaign on Thursday against Canadian Vasek Pospisil, while Sam Querrey - on home turf - will face Victor Estrella Burgos in his first round match.
article_snippet: Sam Querrey, Del Potro, Nenad Zimonjic, Ryan Harrison, Steve Johnson and Feliciano Lopez (l-r) in attendance .
article_snippet: Feliciano Lopez will look to take a step closer to the top 10 in the world with a good performance in Miami .