Mens Wearhouse has the Wright and Ditson Men's Sports T-Shirts (multiple teams) for $10. Add two to cart for $10
with free ship-to-store. Ship to home option is $8. After you select a shirt on the main page, you can see even more teams available by clicking the various colored boxes to the side. Made with 100% soft cotton and has a retro vintage look. $22 and up everywhere else.