Butler seeing results from changes to delivery

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DENVER — At the end of his last stint with the Rockies, right-hander Eddie Butler struggled to get batters out. But after working with Triple-A Albuquerque pitching coach Darryl Scott, he believes he has identified and fixed the problem.

The two looked at TrackMan data, which uses cameras to track velocity, spin rate and extension on pitches, and it showed that Butler, who is 6-foot-2, was only getting 5 feet, 7 inches of extension on his release.

Scott found that Butler’s back leg was collapsing too much, which didn’t allow him to stay tall and get a good downward plane on the release.

That likely contributed to his 11.22 ERA over his last five outings for the Rockies before his demotion in late June.

“It causes me to not be able to get extension out front,” Butler said. “I wasn’t staying on top of the ball, I wasn’t driving the fastball through the zone and my offspeed kind of hung up there. That’s been the difference: the late life on my fastball and late life on my offspeed have completely …

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