Hamilton has been bothered by vision problems, leaving Tuesday night's game with reported "sinus issues" although the team has said no sinus infection has been found. Per Wilson, the complaint is more about an inability to focus instead of blurred vision.
Beltre is reported out with an abdomen injury, although it is not related to the previous intestinal injury he suffered earlier this season.
Both MVP candidates have seen specialists today, and the Rangers are hopeful they will return for the finale Thursday. But general manager Jon Daniels also said that they won't know how serious the problems are until they get medical tests back.
The Rangers have just a three-game lead over the Oakland A's for home-field advantage in the AL.