Slugger Prince Fielder returned to the Rangers' spring training on Friday and was inserted into the lineup as Texas' designated hitter against Milwaukee after being tested earlier this week for a sleep disorder. Fielder, who missed three games, went to the Dallas-Fort Worth area on Wednesday for tests, which determined he had sleep apnea, a potentially life-threatening ailment in which breathing stops and starts during sleep. Fielder had complained about having trouble getting rest. More...