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Colorado Rockies' Justin Morneau circles the bases after hitting a two-run, walkoff home run against the San Diego Padres in the 10th inning of the Rockies' 8-6 victory in 10 innings of a baseball game in Denver on Sunday, May 18, 2014

Colorado Rockies' Justin Morneau circles the bases after hitting a two-run, walkoff home run against the San Diego Padres in the 10th inning of the Rockies' 8-6 victory in 10 innings of a baseball game in Denver on Sunday, May 18, 2014. (AP Photo/David Zalubowski)

Fantasy baseball stock watch - Week 8

Maintaining your fantasy baseball roster can be a daunting task with all of the variables to keep track. Thank goodness for this weekly Yahoo Sports cheat sheet of players to keep and players to drop. Find out whose stock is going up and whose stock is plummeting this week.