Mari spent the last two seasons with La Liga (later Segunda Division) side Real Zaragoza after spending time with a few other Spainish teams during his younger years. He agreed to a mutual parting of ways with Zaragoza recently and will be joining the Rapids for the preseason tournament in Las Vegas starting today. He could very easily be a replacement for Hendry Thomas, who was a massive piece of the puzzle for the Rapids last year.
Paul Bravo indicated that they were trying to work out a deal in the Rapids press release on the subject:
John Babiak 
Matt Pollard 