Batter up!

The AA Reds practice their pre-game cheer, led by coach Glenn Dierkes, during the opening day celebrations at the South Mercer Playfields.

The AA Reds practice their pre-game cheer, led by coach Glenn Dierkes, during the opening day celebrations at the South Mercer Playfields on Saturday, April 20. The annual event involved hundreds of Mercer Island players and featured former Mariner Edgar Martinez, who threw out the first pitch.