For Altoona tonight, Tyler Glasnow will make his first start of the season. The top prospect in the Pittsburgh Pirates system is making the big leap to AA, where he will start to see more patient hitters and his control issues will be put to the test. Glasnow will see the occasional player with Major League experience now and plenty of players that have played in AAA. The only time he would have seen a player like that during his first three seasons is facing someone on a rehab assignment. The average age of the Harrisburg lineup he will be facing is 24.1 years old.

The higher you go up the minor league ladder, the better the competition. That's an obvious statement, but the main fault with Tyler Glasnow has been control issues and for him to succeed at the Major League level, that is g...

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