The Houston Rockets and Memorial Hermann will be holding a "Give Red, Get Red" blood drive today from 9 a.m. to 2 p.m. at the Toyota Center (1510 Polk St.). The first 300 blood donors will receive a "Give Red, Get Red" t-shirt and an opportunity to purchase tickets to a Rockets pre-season game for only $2. Limit two. Also, a raffle will be held and each donor will have a chance to win pre-season......