Adding to a mystery that will last the whole season, 42-year-old Mariano Rivera arrived at spring training on Monday and said he knows if he will retire at the end of the season. However, he said he won't tell anyone. "I know now," the New York Yankees closer said. "I just don't want to tell you. I know now. I will let you guys know when I think I should tell you." Rivera broke the all-time saves record last year and is regarded by most as the greatest closer in the game's history. He will make $17 million this season in the first year of a two-year deal and said he would like to leave before his skills deteriorate. Read more: http://espn.go.com/new-york/mlb/story/_/id/7594867/know-say
