SB Nation Seattle Sounders FC blog Sounder at Heart (S@H) has made a habit of creating reference cards for eachnd match, one of the innovations for which S@H's become know. Create by Jeremiah Oshan, the downloadable, printable cards come in handy for events like CONCACAF Champions League, where most of the players will be relative unknowns.
Here is Jeremiah's card for Wednesday's match between SSFC and Metapan at Qwest Field:
Click on the image to download a (clearer) PDF version of the file.
For more information about the match and Sounder soccer in general, you can visit Sounder at Heart.