Ending today, Target offers the Mossimo Supply Co. Men's Tank Top in Stadium Red, Ebony Opaque, or Blueprint for $9.99. Coupon code "BIGTALL20" cuts it to $7.99. Choose site-to-store pickup to avoid the $4.99 shipping charge. That's $2 off list and the lowest price we could find. It's available in sizes XS to XXL, although not in all size/color combinations.
Note that it's also available in Stadium Red size 3XL to 2XL Tall for $9.59 with pickup via the same coupon.