Mlodzinski said Saturday that he is building volume this spring to become a starter, Noah Hiles of the Pittsburgh Post-Gazette reports.

Heaney agreed to a one-year deal with the Pirates on Thursday that includes $5 million with incentives, Alden Gonzalez of ESPN.com reports.

Frazier (thumb) took live batting practice against Pirates right-hander Mitch Keller during Wednesday's full-squad workout, Noah Hiles of the Pittsburgh Post-Gazette reports.

Pirates director of sports medicine Todd Tomczyk said Wednesday that Sullivan is battling right elbow soreness, Andrew Destin of the Pittsburgh Post-Gazette reports.

Rodriguez is dealing with right elbow discomfort, Andrew Destin of the Pittsburgh Post-Gazette reports.

Pirates director of sports medicine Todd Tomczyk said Wednesday that Moreta (elbow) is unlikely to pitch in any Grapefruit League games, Noah Hiles of the Pittsburgh Post-Gazette reports.

Stratton (knee) is slated to begin a running progression, Andrew Destin of the Pittsburgh Post-Gazette reports.

Pirates director of sports medicine Todd Tomczyk said Wednesday that Oviedo (elbow) is in the "live bullpen" phase of his throwing program and has been cleared to make use of his full repertoire, Noah Hiles of the Pittsburgh Post-Gazette reports.

Pirates director of sports medicine Todd Tomczyk said Wednesday that Horwitz had sutures removed from his surgically repaired right wrist earlier this week and remains on track to return to game action in 6-to-8 weeks, Noah Hiles of the Pittsburgh Post-Gazette reports.

Nicolas (side) faced off against Andrew McCutchen during a live batting practice session Tuesday, Andrew Destin of the Pittsburgh Post-Gazette reports.

Reynolds said Tuesday that he's focusing on being a right fielder rather than potentially seeing some time at first base, Noah Hiles of the Pittsburgh Post-Gazette reports.

Ashcraft (forearm) threw a live batting practice session Monday, Noah Hiles of the Pittsburgh Post-Gazette reports.

Skenes has worked on a cutter and sinker this offseason, Noah Hiles of The Pittsburgh Post-Gazette reports.

Moreta (elbow) was placed on the 60-day injured list Sunday, Andrew Destin of the Pittsburgh Post-Gazette reports.

Pirates general manager Ben Cherington said Friday that Stratton (knee) still needs to show he can go through running and pitchers' fielding practice before he can be considered part of the competition for a bullpen spot, Andrew Destin of the Pittsburgh Post-Gazette reports.

Barco (lower body) completed a bullpen session Thursday, Andrew Destin of the Pittsburgh Post-Gazette reports.

Oviedo (elbow) threw a bullpen session Thursday, Noah Hiles of the Pittsburgh Post-Gazette reports.

Johnson (foot) was spotted taking grounders at second base during Thursday's spring training workout, Kevin Gorman of TribLive.com reports.

Davis (hand) was spotted taking batting practice Thursday during the Pirates' second workout of spring training, Andrew Destin of the Pittsburgh Post-Gazette reports.

Pirates general manager Ben Cherington mentioned Wednesday that Triolo is a candidate to play first base while Spencer Horwitz (wrist) is out, Kevin Gorman of TribLive.com reports.

Pirates general manager Ben Cherington said Wednesday that Stewart will see some action at first base in the wake of the Spencer Horwitz (wrist) injury, Kevin Gorman of TribLive.com reports.

Pirates general manager Ben Cherington said Wednesday that Hall will get additional reps at first base following the injury to Spencer Horwitz, Kevin Gorman of TribLive.com reports.

Hayes (back) was spotted taking part in fielding drills at spring training Wednesday, Noah Hiles of the Pittsburgh Post-Gazette reports.

Pirates general manager Ben Cherington said Tuesday that Reynolds will remain focused on playing the outfield even after the injury to first baseman Spencer Horwitz (wrist), Kevin Gorman of TribLive.com reports.

Horwitz said Wednesday that the surgery he underwent last week was to repair the extensor tendon in his right thumb, John Perrotto of PittsburghBaseballNow.com reports. He's expected to face a recovery timeline of 6-to-8 weeks.