By Matt Hladik St. Louis Cardinals slugger Albert Pujols announced on Monday that he has filed for divorce from his wife after 22 years of marriage. Pujols’ announcement comes after his wife Deidre revealed that she would be undergoing surgery to remove a brain tumor that was uncovered in October. Pujols arrived at Cardinals’ camp as his wife was preparing for the procedure, which was deemed to be a success. “I realize this is not the most opportune time with Opening Day approaching and other family events that have recently taken place,” Pujols said today in a statement. “These situations are…