Keuchel, Astros rout Mariners, end 4-game skid

Reds give up 3 HRs in 8-4 loss to Cardinals

Franklin powers Rays to 3-1 win over White Sox

Brewers edge Pirates 1-0 to tighten wild-card race

Zimmerman returns, leads Nationals past Marlins

Cards hit 3 HRs, top Reds, move closer to playoffs