According to Clark Spencer of the Miami Herald, the Marlins signed pitchers Kiko Calero and Jason Standridge to minor league deals.
Calero, 34, was last useful in 2006 when he logged 58 innings of 3.41 ball for the A's. He dealt with a torn rotator cuff in 2008. Calero was part of the 2004 trade that Daric Barton and Dan Haren to Oakland for Mark Mulder.
Standridge, 30, pitched in Japan last year. He's logged 127 innings in the Majors at various stops. He was the Rays' first round pick in '97 (#31 overall).