Marlins pitcher Henderson Alvarez will make his Florida debut as Thursday's starting pitcher against Atlanta, the South Florida Sun-Sentinel reports. Alvarez allowed just three runs over 24 1/3 minor league rehab innings, with 14 hits allowed and 15 strikeouts against one walk. In his first full season last year with Toronto, Alvarez allowed a 4.85 ERA had a horrendously low 3.8 K/9 in 187 1/3 innings.