3:38am: Schierholtz denied formally requesting a trade, talking to Andrew Baggarly of CSNBayArea.com.

1:15am: Giants outfielder Nate Schierholtz has requested a trade, reports Jon Heyman of CBSSports.com (on Twitter). Earlier this month we heard that he was unhappy with his reduced role and would welcome a move to a team with more opportunity.

Schierholtz, 28, is hitting .247/.316/.418 with five homers in 190 plate appearances this season. The left-handed hitter has been limited to spot start and pinch-hitting duties because the starting outfield trio of Melky Cabrera, Angel Pagan, and Gregor Blanco have been so good. San Francisco is seeking a right-handed outfield bat prior to Tuesday's trade deadline.