The Mets will host their annual blood drive from 10 a.m.-5 p.m. on Thursday in the Foxwoods Club at Citi Field.
Fans donating blood will receive a voucher for two tickets to select home games in April or May, excluding Opening Day. Donors must be at least 17 years old, or 16 with parental permission. They must also weigh at least 100 pounds and be in good health.