Duke allowed two home runs in two-thirds of an inning against the Brewers on Monday to take the loss.

He entered a tied game in the top of the ninth, and he exited with a three-run deficit. Duke has been the White Sox's most heavily used reliever this season, and he should continue to fill that role despite the clunker Monday.

Duke threw a scoreless inning against the Royals on Thursday to mark his White Sox debut.

He entered to start the seventh inning of a tied game, and he was able to pitch around two base runners with one out. Duke figures to be called on frequently in high-leverage situations this year for the White Sox, generally in the seventh and eighth innings.

Duke signed a multi-year deal with the White Sox on Tuesday, CSN Chicago reports.

The 31-year-old former-starter spent last season with the Brewers, going 5-1 with a 2.45 ERA in 58.2 total innings. He'll join a White Sox bullpen that struggled in 2014, posting the third-worst ERA in baseball. The bullpen also stranded only 68 percent of the runners it inherited, while Duke, himself, stranded 80 percent, well above the league average of 72 percent. Duke was at his best against lefties last season, holding them to a .198 batting average.

Zach Duke holds a 1.57 ERA, 1.01 WHIP and 39/5 K/BB ratio over 28 2/3 innings this season.

The minor league contract the Brewers gave Duke in January has paid big dividends, as the southpaw has been dominant after lowering his arm slot. Between Duke and Will Smith, the Brewers' two primary lefty relievers hold a 1.27 ERA while striking out 84 over 63 2/3 innings. "I put in a lot of quality work in the off-season tweaking some things here and there, getting my delivery cleaned up, getting my release point more consistent," Duke said. "Then, of course, adding in another look with the sidearm stuff. I feel like the hitters never really know what to look for."

Brewers selected the contract of LHP Zach Duke from Triple-A Nashville.

The 30-year-old southpaw secured a spot in the Brewers bullpen by posting a 3.38 ERA, 1.59 WHIP and 11/4 K/BB ratio in 10 2/3 innings this spring. His ability to work multiple innings will have use in a middle relief role.

Zach Duke has been told that he will make the Opening Day roster.

Duke, a non-roster invitee, earned a roster spot by posting a 4.00 ERA and 10/3 K/BB ratio over nine innings this spring. The veteran southpaw will pitch in middle relief.

Zach Duke got the win with 1 1/3 scoreless innings in Wednesday's 7-2 win against the Athletics.

Duke allowed three hits and a walk, but escaped unharmed. The lefty had a rough 2013 but is looking to claim a spot in the Brewers' bullpen.

Brewers signed LHP Zach Duke to a minor league contract with an invitation to spring training.

Duke posted an ugly 6.03 ERA in 31 1/3 innings (mostly relief) last season between the Nationals and Reds. He will be looking to claim a bullpen job in Milwaukee.

Reds purchased the contract of LHP Zach Duke from Triple-A Louisville.

Duke was signed by the Reds in mid-June after he was released by the Nationals. The 30-year-old southpaw excelled in a relief role with Triple-A Louisville, posting a 1.30 ERA, 0.87 WHIP and 34/5 K/BB ratio over 27 2/3 innings.

Reds signed LHP Zach Duke to a minor league contract, assigned him to Triple-A Louisville.

Duke was released by the Nationals earlier this week after putting up an 8.71 ERA in 20 2/3 innings. The Reds might stretch him out for starting depth at Triple-A.

Nationals released LHP Zach Duke.

Duke was designated for assignment by the Nats last Tuesday after posting a hideous 8.71 ERA in 20 2/3 innings. The 30-year-old lefty will seek a new team.

Nationals released LHP Zach Duke.

Duke posted a brutal 8.71 ERA, 1.89 WHIP and 11/8 K/BB ratio in 20 2/3 innings with Washington. The 30-year-old left-hander will look to sign on with a new team.

Zach Duke was rocked for four runs on seven hits over 3 1/3 innings in a loss to the Giants on Monday.

Duke struck out one and didn't walk a batter. His most impressive feat of the evening was logging one of the three hits off Giants starter Ryan Vogelsong. Duke, making his first start of the season as a fill-in for Ross Detwiler (lower back), didn't acquit himself well. Though he kept the ball in the strike zone and only allowed one extra-base hit, San Francisco was fooled by none of the offered slop. Duke will presumably now return to the bullpen, though his 8.84 ERA and 1.80 WHIP may not be long for Washington's roster.

Zach Duke will start for the Nationals on Monday against the Giants.

Duke has been pitching out of the bullpen all year but the Nats need a fill-in for Ross Detwiler, who has a lower back injury. Duke is not a good fantasy option.

Nationals re-signed LHP Zach Duke to a minor league contract with an invitation to spring training.

Duke posted a 1.32 ERA in 13 2/3 innings for the Nationals this summer after joining the big-league roster as a September call-up. He will presumably compete for a spot in the Washington bullpen at spring training.

Nationals signed LHP Zach Duke to a minor league contract.

Duke was released by the Astros last year after allowing 10 runs over 3 1/3 innings this spring. The 28-year-old left-hander will likely open the season in the Triple-A Syracuse rotation.

Astros released LHP Zach Duke.

Duke allowed 10 runs in 3 1/3 innings to the Braves on Sunday, ending any chance he had of cracking the Astros' 25-man roster. He'll try to latch on with another team.

Zach Duke was lit up for 10 runs in 3 1/3 innings by the Braves on Sunday.

It's hard to believe the Astros are still giving Duke starts as much as he's struggled this spring. It suggests they're not giving much thought to carrying him as a reliever if he doesn't make the rotation, and there's certainly no reason to believe he's going to make the rotation. He's 0-3 with an 11.30 ERA.

Astros signed LHP Zach Duke to a minor league contract.

The deal also includes an invite to spring training. Duke spent time on the disabled list and didn't perform for Arizona this past season, posting a 4.93 ERA and 32/19 K/BB ratio over 76 2/3 innings. He'll compete for a rotation spot in spring training but will probably only have a real shot if Wandy Rodriguez and/or Brett Myers are traded.

Diamondbacks declined Zach Duke's $5.5 million club option for 2012.

Another no-brainer, Duke will receive a $750,000 buyout and hit free agency. The 28-year-old left-hander was a huge (although not unexpected) disappointment with Arizona this season, posting a 4.93 ERA and 32/19 K/BB ratio over 76 2/3 innings. He may struggle to get a guaranteed contract this winter.