Racing PositionsBraves activate Kemp (hamstring) from DL9YRockies' Rumfield exits with right hand contusion33mAstros' Imai, 2 relievers combine to no-hit Rangers10mMcLean hit hard, Taylor hurt as Mets 10 under .50042mSeager (back) not ready to return for Rangers2hOrioles' Cowser hits 2nd walk-off HR in 2 days2hNishida all smiles in 'fun' MLB debut with ChiSox4hCubs match dubious mark with 9th straight loss4h'Magnificent' Misiorowski hits 100 mph 57 times2hFranco found criminally responsible, but no prison26m