Challenge of the Week #13 is an AL East Rivalry. The Red Sox power first baseman goes up against the Rays stellar left-hander. Climb the leaderboard and get as many hits as you can to win a $250 Gift Card from MLB.com!

Week #13 begins on Monday, May 30th at 5:30am Pacific Time and ends Monday, June 6th at 4:30am Pacific Time.

To play, simply select the “Challenge of the Week” option in the main menu.

This is a huge week, as it kicks off the first week to participate for the June Monthly prize period. The June monthly prize is $2000, cold hard cash for the winner. Every four weeks a monthly prize will be awarded to the player with the most Challenge of the Week points. This week also starts Grand Prize 2! Weekly scores will also be added from May 30th until September 18th 4:30am Pacific Time for a chance to win Grand Prize #2, a Trip for Two to a 2011 World Series Game!

Leaderboards for Weekly, Monthly and Grand Prizing, along with the official rules can be found at the NEW home of MLB The Show at TheShowNation.com.

Stay tuned to the comments section of the weekly Challenge of the Week blog, as we will be giving away some free voucher codes for Challenge of the Week!