by Al Melchior | Data Analyst (11/4/2012) The Mariners signed reliever Oliver Perez to a one-year deal worth $1.5 million on Saturday, according to CBSSports.com Baseball Insider Jon Heyman. Perez's contract also includes as much as $600,000 in performance-based incentives. The lefty resurrected his career in 2012 as a middle reliever, as he posted a 2.12 ERA with five holds over 29 2/3 innings for the Mariners.