The Orioles announced earlier in the day that fans in attendance can leave the park and come back later Sunday should the game get underway, and exchange Sunday's ticket for a future game, subject to availability. Some restrictions apply.
Cuban star Yulieski Gurriel is in the Astros' lineup for his big league debut in a matchup of Houston lefty Dallas Keuchel and Baltimore righty Yovani Gallardo.
Brittany Ghiroli has covered the Orioles for MLB.com since 2010. Read her blog, Britt's Bird Watch, follow her on Facebook and Twitter @britt_ghiroli, and listen to her podcast. This story was not subject to the approval of Major League Baseball or its clubs.