Astros promoting P Jake Bloss to make MLB debut on Friday

(Photo credit: Troy Taormina-USA TODAY Sports)

The Houston Astros will call up Double-A right-hander Jake Bloss to make his major-league debut on Friday against the visiting Baltimore Orioles, manager Joe Espada announced Thursday.

It's an aggressive promotion for Bloss, a third-round pick in last year's draft who has made only eight starts this season at Corpus Christi.

"Tomorrow is going to be a very exciting day," Es