Angels rookie C O'Hoppe on injured list with shoulder worry - Newsday
1943-1944 Peru Pedagogian - issues 1-18 by Peru State College
MLB Top 100 Prospects — Post-Draft Update, by Nae
Angels News: Logan O'Hoppe Dealing With No Pain Following Serious
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Angels rookie O'Hoppe forced from game by shoulder pain - ESPN
1943-1944 Peru Pedagogian - issues 1-18 by Peru State College
Logan O'Hoppe Provides Update on Shoulder Injury - Los Angeles Angels
Logan O'Hoppe Heard 'Pop' In Injured Shoulder; Angels Await