Cubs' front office can learn a harsh lesson from the Twins' latest roster move

Michael Reaves/GettyImagesThe Chicago Cubs face many difficult questions ahead of next week’s trade deadline. While the front office may look to bolster the pitching staff with a trade, the main question they will have to answer will be what to do with top prospect Owen Caissie in a week’s time.

Caissie has been mashing the ball at Triple-A Iowa this year, hitting 20 home runs in 78 games with an OPS of .960 en route to being named Major League Baseball’s 38th-ranked prospect. The Cubs face two options with the 23-year-old outfielder: make him a cornerstone of the future, or trade him to upgrade the current roster.

Many Cubs fans would prefer the former option that would keep their number one…