When the Texas Rangers moved infielder Josh Smith to the 10-day injured list with a right glute strain, the easy call was to promote Justin Foscue. The former first-round pick out of Mississippi State has been waiting his turn. He’s been in the Majors before but has been unable to stuck. But he walks into an opportunity he hasn’t quite had before. Along with Smith’s injury, the left-handed hitter has been mired in a slump. He was slashing .217/.324/.239 with no home runs and six RBI. Texas gave him a couple of days off last week to help him try and reset offensively. It helped. He had five hits in Detroit. Ezequiel Duran started at second base in Tuesday’s 7-4 loss to the New York Yankees and will likely be there during Smith’s IL stint. But the Rangers would be wise to give Foscue at-bats at two places to give him a chance to stick — designated hitter against left-handed pitching and at first base to give the struggling Jake Burger a spell.…