Yankees COVID outbreak up to nine cases; CDC to look into 'breakthrough' positives
Covid Issues Hit Yankees Team
Another Yankees staffer tests positive for COVID-19; Aaron Hicks goes on IL - NBC Sports
Yankees' Covid Case Count Rises to Seven - The New York Times
Yankees Somehow Have 8 COVID Cases in Vaccinated Staff
Gleyber day: Torres' 5 RBIs lead surging Yanks over Jays 5-3
Gleyber Torres off COVID-19 IL and back in Yankees lineup
Yankees' Gleyber Torres positive for COVID despite being vaccinated
Why Vaccinated Athletes Are Testing Positive for Coronavirus - WSJ