UPDATE, 5:47: Cash said the decision to bring Perez to the majors and put him in the lineup was simple: "We think he's ready." … He said Perez and Sucre will split time for now, pending what happens with Ramos. … Cash also said they plan to get Beeks on to the mound soon, that he could be available tonight or in relief of RHP Chris Archer on Friday, but it now would be slated for work Saturday or Sunday, either behind an opener or as a starter. … Cash said it was just a day off for Robertson, and a chance to get Hechavarria into the lineup. UPDATE, 4:42: Perez said it has been a busy day, and an exciting one. He will have family here tonight for his long awaited debut. … Beeks said he is excited for the opportunity to pitch in the big leagues and is eager to talk to the Rays about what they want him to do.DEVELOPING: The Rays aren't wasting any time taking a look at C Michael Perez after acquiring him from Arizona on Wednesday night as part of the return for RHP Matt Andriese.Perez was added to the 40-man roster, promoted to the majors and inserted into the starting lineup tonight against the Orioles, and ex-Rays RHP Alex Cobb.The Rays, after scrambling to use six pitchers in beating the Yankees 3-2 Wednesday after scheduled starter Nathan Eovaldi was traded to Boston 90 minutes before first pitch, have another bullpen day planned today.RHP Hunter Wood will serve as the opener, getting 3-6 outs, with either LHP Ryan Yarbrough and/or RHP Austin Pruitt likely to handle the bulk of the innings.Here is the Rays lineup, with SS Willy Adames and INF/OF Daniel Robertson getting the night off:Kiermaier cf Duffy 3b Bauers lf Cron 1b Choi dh Wendle 2b Hechavarria ss Perez c Smith rf Wood pAnd the Orioles lineup with ex-Ray Tim Beckham at the top: Beckham ss Schoop 2b Jones cf Trumbo rf Davis 1b Mancini lf Valencia dh Peterson 3b Joseph c Cobb p