The Associated Press The Seattle Mariners placed catcher Cal Raleigh on the 10-day injured list on Thursday morning with a right oblique strain, the first IL stint of the  AL MVP runner-up’s  career in his sixth major league season. The 29-year-old Raleigh was mired in the longest hitless streak in the majors this season before breaking out on Tuesday night with two singles in a 10-2 rout of the Houston Astros. On Wednesday, Raleigh left the Mariners’ 4-3 loss to Houston in the eighth inning after appearing to aggravate an injury to his right side. Raleigh missed three games from May 2 to May 4 with soreness on his right side. “Nobody wants to go on the IL, and especially not Cal,” manager Dan Wilson said. “But I think at this point it’s the smart thing to do.” In 41 games this season, Raleigh is hitting .161 with seven home runs, 18 RBI, four doubles, 18 walks and 16 runs. His .161 batting average is second-lowest in the majors among hitters with enough at-bats to qualify.…