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Rienzo surprised but excited

ARLINGTON -- The call from Triple-A Charlotte manager Joel Skinner to Andre Rienzo came at approximately 3 a.m. Saturday morning. And the right-handed hurler was quickly on his way from Charlotte to Arlington, Texas.

"I did not expect it really," said Rienzo with a broad smile.

Rienzo, 25, was 0-2 with 4.85 ERA in three starts with the Knights this season. He has allowed 15 hits, walked eight and struck out nine, after going 2-3 with a 4.82 ERA in 10 starts for the White Sox last season.

Charlotte pitching coach Richard Dotson has worked with Rienzo on lowering his arm angle upon delivery. Although it's not much of a change, Rienzo notices the difference.

"Just a little bit," said Rienzo of the change. "I try to sink the ball more and [be] consistent with more strikes, breaking ball strikes. Keep doing it and see if the results come. I feel good. The curveball, it's strikes more, so that's important."

Scott Merkin is a reporter for Read his blog, Merk's Works, and follow him on Twitter @scottmerkin.
Read More: Chicago White Sox, Andre Rienzo