Chelsea's Martinez Hospitalized After Head Injury During Everton Match

• Emiliano Martinez was taken to the hospital for precautionary tests after a head injury during Chelsea's match against Everton.
• Chelsea secured their first clean sheet in nine months with a 2-0 win over Everton.
• Chelsea manager Xabi Alonso provided an update on Martinez's condition.
• Martinez's injury occurred during the match on Saturday.
• The incident led to Martinez being stretchered off the field.