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Alexander Alberto
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The Rays selected Alberto's contract from Triple-A Durham on Monday.
The White Sox selected Alberto in the Rule 5 Draft last winter but returned him to the Rays in March. He split the 2026 season between Double-A Montgomery and Triple-A Durham, posting a combined 3.43 ERA, 1.23 WHIP and 72:25 K:BB across 60.1 innings.
RotoWire via ESPN · 4d ago
Alberto cleared waivers and was returned to the Rays on Thursday, James Fegan of SoxMachine.com reports.
The 24-year-old was selected by the White Sox during the Rule 5 Draft in November, but he didn't make the Opening Day roster and is now back with his previous organization. Alberto spent most of last season at the High-A level and had a 2.91 ERA, 1.35 WHIP and 45:17 K:BB across 34 innings.
RotoWire via ESPN · Mar 19
The White Sox placed Alberto on waivers Monday, James Fegan of SoxMachine.com reports.
Alberto was a Rule 5 selection over the winter, so any team that puts a claim in for the 24-year-old right-hander would have to carry him on its major-league roster throughout the season. In the likelier event that Alberto clears waivers, the White Sox would have to offer him back to the Rays, the team he originally signed with back in 2019. Alberto has yet to pitch above the High-A level and didn't look big-league ready during spring training, as he yielded 10 runs (eight earned) on 12 hits and four walks while striking out seven over 6.2 innings across his seven Cactus League appearances.
RotoWire via ESPN · Mar 16
Alberto (back) is listed among the White Sox's available relievers for Wednesday's Cactus League game against the Angels, Scott Merkin of MLB.com reports.
Alberto had been expected to make his most recent spring appearance Monday against the Rockies, but he ended up being scratched after contending with back tightness. After getting a couple days off to recover, Alberto looks to have moved past the issue. A Rule 5 selection over the winter, Alberto has struck out four batters and has allowed three earned runs through five innings this spring.
RotoWire via ESPN · Mar 11
Alberto won't make a scheduled appearance Monday versus the Rockies due to back tightness, James Fegan of SoxMachine.com reports.
Alberto is expected to be ready to pitch in a day or two, so he's not believed to be dealing with a significant setback. The 24-year-old is trying to win a bullpen spot with the White Sox after being plucked in the Rule 5 Draft. Alberto has yielded three runs with a 4:2 K:BB over five innings so far this spring.
RotoWire via ESPN · Mar 9
The White Sox selected Alberto with the 13th pick of the Rule 5 Draft on Wednesday.
Alberto has as high of a ceiling as anyone selected in the Rule 5 Draft this year, with a fastball that touched 101 mph and a 54.4 percent groundball rate in 2025. However, he is also a 24-year-old with zero experience above High-A, so it may be a challenge for the White Sox to stash him in the majors all season. The late-blooming, 6-foot-8 righty logged a 2.83 ERA, 1.34 WHIP and 45:17 K:BB in 35 innings at the Rays' High-A affiliate in 2025.
RotoWire via ESPN · Dec 10