Outfielder Myles Straw and reliever Will Harris will not be active for the best-of-7 series that begins Saturday night at Fenway Park.
Hinch said Friday he wanted an extra pitcher so he went with those who matched up best against the Red Sox. Houston has 12 pitchers and 13 position players active.
Boston manager Alex Cora has not announced his roster plans. The Red Sox are waiting to see how Mitch Moreland feels after testing his right hamstring, which he injured in Game 2 of the ALDS against the Yankees.