sports director david werth hosted the greatest tampa by a walk to defeat als. organizers say more than a thousand people came out to the park in st. pete to join the fight to find a cure. >>> this is a huge event. it means so much to the families and persons living with als in this area. it helped show their support and helped spread awareness of the disease. >> it was a huge event and as you can see, well attended by people right here in the bay area. last year they raised $1.5 million. >>> still ahead, a group of warrers on the a mission -- spreading awareness. they're message, next. >>> we are expecting a cool front to move through overnight. and that means a chilly start to your sunday. brooksville. 55-degrees in l a,degrees in -- st. petersburg checking in at 60. >>> this weekend you might have seen a sea of marching boots around can tampa. we caught up with the group that calls themselves th -- the warriors. their on a mission to raise awareness about the number of veterans that commit suicide every year. the bars that support us. 22-kilometers. with 22-k