Astros designated RHP Enerio Del Rosario for assignment. The move was made to open a spot on the 40-man roster for Che-Hsuan Lin who was claimed off waivers from the Red Sox. The 26-year-old Del Rosario posted a 9.00 ERA, 2.16 WHIP and 11/7 K/BB ratio in 19 innings at the major league level for the Astros last season.

Astros purchased the contract of RHP Enerio Del Rosario from Triple-A Oklahoma City. No word yet on the corresponding roster move. Del Rosario, 26, has a 7.80 ERA and 8/7 K/BB ratio over 15 innings at the big league level this season and will serve as bullpen depth.

Astros optioned RHP Enerio Del Rosario to Triple-A Oklahoma City. He was cleared to make room for the newly-claimed Chuckie Fick on the active roster. Del Rosario has a 7.80 ERA and 8/7 K/BB ratio over 15 innings at the big league level this season. He should be back later this summer.

Astros recalled RHP Enerio Del Rosario from Triple-A Oklahoma City. He'll replace Dallas Keuchel on the active roster. Del Rosario made four relief appearances with the Astros in May and has a 4.45 ERA and 14/14 K/BB ratio over 32 1/3 innings at the Triple-A level this year. He'll pitch in middle relief.

Astros optioned RHP Enerio Del Rosario to Triple-A Oklahoma City. Del Rosario has yielded eight hits and five earned runs in 5 1/3 innings this season for Houston. He should be back in the bigs at some point later this summer.

Enerio Del Rosario gave up three runs on four hits in one inning Monday against the Cubs. His appearance came only hours after being called up to replace Jordan Lyles on the active roster. Del Rosario pitched around a leadoff single in the eighth inning but came undone in the ninth, surrendering three straight hits before getting pulled. He was unremarkable in 53 major league innings last season, posting a 4.58 ERA and 1.70 WHIP.

Astros recalled RHP Enerio Del Rosario from Triple-A Oklahoma City. He'll replace right-hander Jordan Lyles on the active roster. Del Rosario made one appearance during a brief stint with the Astros earlier this month and will pitch in middle relief.

Astros optioned RHP Enerio Del Rosario from Triple-A Oklahoma City. Del Rosario made just one relief appearance during his six-day stay in the Astros' bullpen. The 26-year-old right-hander should be back up at some point this summer.

Astros recalled RHP Enerio Del Rosario from Triple-A Oklahoma City. Del Rosario will fill a middle relief role for Houston while Rhiner Cruz recovers from an ankle sprain.

Astros optioned RHP Enerio Del Rosario to Triple-A Oklahoma City. Del Rosario allowed five runs on 11 hits over 7 1/3 innings (6.14 ERA) this spring. He'll serve as relief depth in the minors. The Astros also reassigned infielders Angel Sanchez and Scott Moore and infielder-outfielder Brian Bixler to minor league camp.