Angels optioned RHP Yoslan Herrera to Triple-A Salt Lake.
Angels purchased the contract of RHP Yoslan Herrera from Triple-A Salt Lake.
Pirates sent RHP Yoslan Herrera and RHP Marino Salas outright to Triple-A Indianapolis.
Pirates optioned RHP Yoslan Herrera to Double-A Altoona.
Yoslan Herrera worked six scoreless innings to pick up his first major-league victory as the Pirates beat the Padres 9-1 on Thursday night.
Yoslan Herrera dropped his first career decision after giving up seven runs in 1 2/3 innings Saturday against the Rockies.
Pirates purchased the contract of RHP Yoslan Herrera from Double-A Altoona.
Yoslan Herrera made his Triple-A debut on Friday and allowed two runs in seven innings.
Cuban defector Yoslan Herrera pitched seven scoreless innings Sunday for Double-A Altoona.
Yoslan Herrera allowed one hit over two innings in the Pirates' 5-0 victory over Manatee C.C. on Wednesday.
Yoslan Herrera allowed one run over five innings Wednesday in his first start for Double-A Altoona.
Yoslan Herrera surrendered five runs -- four earned -- in an inning Sunday against the Reds.
Yoslan Herrera retired all six hitters he faced Wednesday in an exhibition game against Manatee Community College.