Were Ryan Mountcastle's 9 RBIs the most in a game in MLB history
Ryan Mountcastle's 9 RBIs tie Orioles' single-game record
Mateo's 2 homers, 5 RBIs power Orioles past Rangers 8-2 - WTOP News
Ryan Mountcastle ties Orioles record with 9 RBIs in 12-8 win over
Baltimore Orioles News, Scores, Status, Schedule - MLB
Mountcastle drives in 9 as Orioles outslug Oakland 12-8
Orioles' Mountcastle wrecks Athletics with two homers, nine RBIs
Orioles' Ryan Mountcastle reflects on historic nine RBI game - CBS
The Orioles are 10 games over .500 for the first time in 5 years
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Orioles: Ryan Mountcastle Named AL Player of the Week