Chandler was placed on Double-A Altoona's 7-day injured list Sunday with a forearm injury, though Pirates assistant GM Steve Sanders labeled the move as precautionary, Alex Stumpf of MLB.com reports.

Chandler has a 4.13 ERA, 1.29 WHIP, 29 strikeouts and 13 walks in 24 innings across seven appearances for Double-A Altoona.

Chandler was promoted Wednesday from High-A Greensboro to Double-A Altoona, Andrew Destin of the Pittsburgh Post-Gazette reports.

Chandler has a 2.57 ERA, 1.04 WHIP and 49 strikeouts in 49 innings over his last nine starts for High-A Greensboro.

Chandler was told by the Pirates on Monday that he will work exclusively as a pitcher this year, Sam Dykstra of MiLB.com reports.