The MLB Power Rankings show a disparity between these teams, with the Houston Astros rated this week at No. 4 and the Tampa Bay Rays. Rays vs Astros 7/31 - MLB Picks & Predictions. Jose Altuve has been the hottest hitter in baseball, with an incredible batting average this. Pitchers have dreaded taking to the mound when the Houston Astros and Tampa Bay Rays have faced off. The two clubs have averaged a.