The Arizona Fall League is rolling, and Chicago’s group in the desert has already had a little bit of everything: early power, a few quiet bats, and some rough innings on the mound. The White Sox are sending eight prospects to Glendale Desert Dogs duty, with Caleb Bonemer, 3B/SS/OF (No.
2/MLB No. 27), front and center. Joining him are Mathias LaCombe, RHP (No.
17); Colby Shelton, INF (No. 23); Nick Altermatt, RHP; Jonathan Clark, RHP; Grant Magill, C; Tommy Vail, LHP and Garrett Wright, RHP.
Vail was added after Pierce George, RHP (No. 18), went down with an olecranon fracture in his pitching elbow. The injury sounds brutal, but he is expected to participate in 2027 Spring Training. Anthony DePino, INF (No. 21), was also initially slated for the roster before shoulder surgery intervened, and he, too, should be back for spring.
The Sox prospects are playing for Glendale alongside talent from the Atlanta Braves, Los Angeles Dodgers, Miami Marlins, and Pittsburgh Pirates.
Bonemer wasted no time making his presence felt. In Glendale’s opener against Salt River on 10/13/26, he launched his first AFL homer, a two-out, two-run drive to left-center that covered 388 feet and gave the Desert Dogs an early edge.
Shelton added his own first homer of the league season in the fifth, a solo blast that tied the game at 3-3. Magill was behind the plate and went 0-for-4, and the game wound up slipping away in 10 innings when Salt River scored with the ghost runner to win 6-5.
No other South Siders appeared in that one.
Bonemer kept the momentum going on 10/16/26 against Scottsdale. He opened the game with a solo homer to left that traveled 431 feet and came off the bat at 111.9 mph, putting Glendale ahead 1-0 in a game it never trailed in after that.
He finished 1-for-4 with a walk and a strikeout while playing center field. Shelton had a quieter night, going 0-for-3 with a walk and a strikeout as the Dogs picked up a 3-1 win.
The bats cooled off again on 10/17/26, when Surprise blasted Glendale 10-0 in a seven-inning game. The Desert Dogs managed only two hits, and Bonemer had one of them with a two-out double in the first, finishing 1-for-3. Magill caught and went 0-for-2 with two strikeouts.
On the mound, LaCombe worked a scoreless fifth, but the late innings got messy for the rest of the Chicago contingent. Wright entered with the bases loaded in the sixth and limited the damage to one run on a sacrifice fly before escaping with a strikeout.
The seventh unraveled after shortstop errors helped lead to three unearned runs against him. Altermatt then came in with runners on the corners, and the inning kept spinning out of control with a wild pitch, a single and a walk before another unearned run crossed.
He finally ended the frame and the game with a groundout.
Glendale’s offense stayed stuck on 10/19/26 in another loss to Salt River, this time 7-1. The Dogs scratched out just four hits, and Shelton accounted for half of them.
He also delivered Glendale’s only run with a two-out RBI single in the fourth, finishing 2-for-3 with two singles and a walk. Bonemer went 0-for-4 with a strikeout.
Clark provided one clean note at the end, carving through the Rafters in the eighth on just eight pitches for a scoreless, hitless inning.
Through the early going, Bonemer has been the loudest bat in the group: .282/.349/.590 with an .939 OPS, four doubles, a triple, two homers, four walks, nine RBI and eight strikeouts in 39 at-bats. Shelton sits at .207/.314/.310 with a homer, four walks, four RBI and six strikeouts in 29 at-bats. Magill is hitting .250/.278/.313 with a double, one walk, four RBI and six strikeouts in 16 at-bats.
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