The White Sox signed Kay to a two-year, $12 million contract Wednesday, Jeff Passan of ESPN.com reports.

EDGE Analysis

Kay is returning to the majors after a two-year stint with the Yokohama Bay Stars of Nippon Professional Baseball, for whom he held a 2.53 ERA, 1.15 WHIP and 249:94 K:BB over 291.2 innings. The left-hander set a new franchise record with a 1.74 ERA in 2025 and also led NPB with a 57.8 percent groundball rate. Kay posted a 5.59 ERA, 1.61 WHIP and 88:47 K:BB across 85.1 frames at the big-league level from 2019-2023. He'll slide into Chicago's rotation in 2026.

Kay will seek a major-league contract this offseason after spending the last two years pitching for the Yokohama Bay Stars of Nippon Professional Baseball, Jon Heyman of the New York Post reports.

EDGE Analysis

Kay posted a 2.53 ERA, 1.15 WHIP and 249:94 K:BB over 291.2 innings in his two seasons with the Bay Stars. He set a franchise record in 2025 with a 1.74 ERA and led NPB with a 57.8 percent groundball rate. The lefty made 44 appearances (seven starts) at the big-league level from 2019-2023, collecting a 5.59 ERA, 1.61 WHIP and 88:47 K:BB across 85.1 frames. Kay will turn 31 in March.

Kay signed with the Yokohama DeNA BayStars of Nippon Professional Baseball on Tuesday, Robert Murray of FanSided.com reports.

EDGE Analysis

After logging a 3.76 ERA and 1.28 WHIP across 40.2 innings in Triple-A last season, Kay will now take his talents overseas. Despite spending most of last season in the minors, the 28-year-old southpaw made 16 appearances in the big leagues, giving up 10 runs across 14.2 frames between the Mets and Cubs.

Oakland outrighted Kay to Triple-A Las Vegas on Monday.

EDGE Analysis

The Athletics scooped Kay off waivers from the Mets on Oct. 24, but his stay on the 40-man roster didn't last long. The 28-year-old lefty has some level of pedigree to his name as a 2016 first-round pick, but he's moved into a relief role at this stage of his career and owns a pedestrian 5.59 ERA over 85.1 career innings in the majors.

Oakland claimed Kay off waivers from the Mets on Tuesday.

EDGE Analysis

Kay was pushed off the Mets' 40-man roster last week after struggling to a 6.14 ERA and 11:9 K:BB over 14.2 major-league innings in 2023. The 28-year-old left-hander will look to earn a spot in the Athletics' bullpen next spring.

The Mets placed Kay on outright waivers Friday, Anthony DiComo of MLB.com reports.

EDGE Analysis

Kay will join five other Mets players on the waiver wire in an effort from the team to clear space on the 40-man roster. The 28-year-old southpaw put up a 6.14 ERA and 1.50 WHIP across 14.2 innings between the Cubs and Mets.

Kay was recalled from Triple-A Syracuse on Sunday.

EDGE Analysis

Kay was claimed off waivers from the Cubs earlier this month as he returned to his original organization. He tossed 1.2 scoreless frames with two strikeouts in a relief appearance versus the Phillies on Sunday.

The Mets claimed Kay off waivers from the Cubs on Thursday and optioned him to Triple-A Syracuse.

EDGE Analysis

Kay was designated for assignment by the Cubs on Monday, having allowed eight earned runs on 12 hits and eight walks through 11.1 major-league innings this season. A first-round draft pick of the Mets back in 2016, the now-28-year-old left-hander returns as organizational bullpen depth.

Kay was designated for assignment Monday.

EDGE Analysis

Kay was optioned to Triple-A Iowa on Sept. 1, and he wound up losing his spot on the 40-man roster a few days later. It remains to be seen if he will remain with the Cubs or head elsewhere.

The Cubs recalled Kay from Triple-A Iowa on Tuesday, Meghan Montemurro of the Chicago Tribune reports.

EDGE Analysis

The 28-year-old left-hander will join Chicago's bullpen ahead of Tuesday's game against the Brewers as Jose Cuas goes on bereavement leave. Kay holds a 6.35 ERA and 8:8 K:BB through 11.1 major-league innings this season.