PITTSBURGH — The Pittsburgh Pirates have mostly had luck when it's come to their lack of injuries this season and could have a fully healthy squad with one player making his way back. Pirates infielder Jared Triolo begins his rehab assignment with Single-A Bradenton on April 24, as they face the Clearwater Threshers, Single-A affiliate of the Philadelphia Phillies, at BayCare Ballpark in Clearwater, Fla. Triolo hasn't featured in a game for the Pirates since the home opener vs. the Baltimore Orioles on April 3, a 5-4 victory at PNC Park three weeks ago, following an injury to his patellar tendon. He suffered that injury while rounding third base on the RBI-double from shortstop Konnor Griffin, but stayed in the game before going on the injured list on April 5. The Pirates now have a path for their best defensive infielder to return in the coming weeks, especially as they're in the middle of a tight race in the National League Central Division.…