FanDuel has an Odds boost on tonights game.  Astros to Win & Over 8.5 Total Runs.  It was +250 (a 10 dollar bet pays 35 dollars)

now +330 ($10 pays 43 dollars)

I'm not a baseball fan, but I've done well blindly taking their "odds boost" wagers.  Its kinda the online version of comps at a casino.