Randy Williams started the 2009 season as a non-roster invitee, but finished the final two months with the White Sox despite a rocky August.
It appears Williams is a lock as the second left-handed reliever to Matt Thornton unless non-roster invitee Erick Threets harnesses the wildness and overcomes the injuries that have stunted his development with the San Francisco Giants’ and the Los Angeles Dodgers’ organizations.
Threets, 29, was throwing as hard as 97 mph in 1997 and made 10 appearances with the Giants in 2007-08. He struck out seven, but walked 12 in 12 1/3 innings.
Last year, Threets struck out 28 but walked 16 in 41 1/3 innings for Triple-A Albuquerque. He could be one of pitching coach Don Cooper’s prime spring-training projects.
Threets missed all of 2004 because of an arm injury.
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