Keeler: Colorado’s No. 1 prep QB, Legend’s DJ Bordeaux, is on his 4th school in 4 years. He wouldn’t change a thing.

Keeler: Colorado’s No. 1 prep QB, Legend’s DJ Bordeaux, is on his 4th school in 4 years. He wouldn’t change a thing.

PARKER — For a spare $145, you can own a piece of DJ Bordeaux. Well, a piece of his handwriting, at any rate. As of Friday afternoon, a trading card featuring the new Legend High School quarterback — complete with a red backing, a gold frame and his autograph scribbled in blue — was posted to eBay with a yowza, bid-starting price of $145. “Whoa,” Bordeaux said giddily when I showed him the listing. “Can I take a picture of that?” Sure thing. “Yo…