The Cubs are giving Bryan LaHair, 29 and a career minor leaguer, his shot as a major league regular in 2012. The first base job is LaHair's to lose going in to the season. What are reasonable expectations for this minor league journeyman with only 65 major league games under his belt?In LaHair's previous 219 major league plate appearances, he posted a .262 batting average, a .335 on-base and a .395 slugging percentage with 22 walks and 58 strikeouts. LaHair came to the plate 150 times at age 25 with the Seattle Mariners in ...