 He also tried his luck in the 2009 World Series of Poker.The success of his "FiveThirtyEight.com" blog marked the effective end of Silver's career as baseball analyst, though he continued to devote some attention to sports statistics and sports economics in his blog.In March 2009, he stepped down as Managing Partner of Baseball Prospectus and handed over responsibility for producing future PECOTA projections to other Baseball Prospectus staff members.