Baseball Pictures
Baseball Juggler pictures - / Too much baseball will turn you into a jughead / Fair work, but I would also add some motion blur.
Baseball Bat pictures - 
Steroid baseball pictures - / Steroid-infused Baseball causes injury to the players / This is in reference to all the steroid allegations in major league baseball and Barry Bonds' homerun record. / Newsmaster is correct. a poster for is good.
Moon Baseball pictures - 
Street Jug Baseball pictures - 
Baseball Cannon pictures - Watch out for his fastball. / Fair work, but I think the smoke looks somewhat unnatural.
Robot Baseball Catch pictures - nice catch / Fair work. I would increase the contrast and levels on the robot hand.
Lemon Baseball pictures - An exploding fastball
Baseball Wedding pictures - For the Baseball fanatics in-love / Love it. Perfect blending and wonderful idea. / awesome shine it's fit almost perfect
Raining Baseballs pictures - / Rotating baseballs in different directions would make it more realistic. Good concept nonetheless. / Agree with Newsy 100% but it's a nice concept