Tyler Glasnow has been gradually reducing his walks this year. (Photo Credit: Tom Bragg)
Last night I noticed that Tyler Glasnow had a ridiculously low walk rate, at least for Tyler Glasnow standards. All year Glasnow has been striking out well over a batter an inning on average. Earlier in the season, he had a very high walk rate, due to his inability to repeat his delivery. As the season has gone on, the walks have dropped. After last night's start, he had a 3.06 BB/9 ratio in his last ten games, which is outstanding when you've also got a 12.31 K/9 in that same time period.
I wanted to get a look at how Glasnow was improving with his walks as the year went on. So I started with his tenth game of the season, and looked at his rolling BB/9 average for every start in his previous ten games. The results can be seen in the chart below. Click the image for a bigger version.
As you can see, the walks have been on a steady decline. Glasnow was around a 6-7 BB/9 for his first 12...
Tim is the owner and editor in chief of Pirates Prospects. He started the site in January 2009, and turned it into his full time job during the 2011 season. Prior to starting Pirates Prospects, Tim worked with AccuScore.com, providing MLB, NHL, and NFL coverage to various national media outlets, including ESPN Insider, USA Today, Yahoo Sports, and the Wall Street Journal. He also writes the annual Prospect Guide, which is sold through the site. Tim lives in Bradenton, where he provides live coverage all year of Spring Training, mini camp, instructs, the Bradenton Marauders, and the GCL Pirates.