![Oakland Athletics' Daulton Jefferies against the Baltimore Orioles during a baseball game in Oakland, Calif., Wednesday, April 20, 2022. (AP Photo/Jeff Chiu Stock Photo - Alamy Oakland Athletics' Daulton Jefferies against the Baltimore Orioles during a baseball game in Oakland, Calif., Wednesday, April 20, 2022. (AP Photo/Jeff Chiu Stock Photo - Alamy](https://c8.alamy.com/comp/2MBK19X/oakland-athletics-daulton-jefferies-against-the-baltimore-orioles-during-a-baseball-game-in-oakland-calif-wednesday-april-20-2022-ap-photojeff-chiu-2MBK19X.jpg)
Oakland Athletics' Daulton Jefferies against the Baltimore Orioles during a baseball game in Oakland, Calif., Wednesday, April 20, 2022. (AP Photo/Jeff Chiu Stock Photo - Alamy
![Oakland Athletics pitcher Daulton Jefferies =o during a baseball game in Oakland, Calif., Wednesday, April 20, 2022. (AP Photo/Jeff Chiu Stock Photo - Alamy Oakland Athletics pitcher Daulton Jefferies =o during a baseball game in Oakland, Calif., Wednesday, April 20, 2022. (AP Photo/Jeff Chiu Stock Photo - Alamy](https://c8.alamy.com/comp/2MBKT42/oakland-athletics-pitcher-daulton-jefferies-=o-during-a-baseball-game-in-oakland-calif-wednesday-april-20-2022-ap-photojeff-chiu-2MBKT42.jpg)
Oakland Athletics pitcher Daulton Jefferies =o during a baseball game in Oakland, Calif., Wednesday, April 20, 2022. (AP Photo/Jeff Chiu Stock Photo - Alamy
![Cal Baseball in the 2016 MLB Draft: Daulton Jefferies to A's, Brett Cumberland to Braves - California Golden Blogs Cal Baseball in the 2016 MLB Draft: Daulton Jefferies to A's, Brett Cumberland to Braves - California Golden Blogs](https://cdn.vox-cdn.com/thumbor/anJKywxQ2SuMuvUa7bSGHXvaOH0=/0x0:960x640/1400x1400/filters:focal(0x0:960x640):format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/49812103/11080881_917563125028511_8653939939991499332_n.0.0.jpg)
Cal Baseball in the 2016 MLB Draft: Daulton Jefferies to A's, Brett Cumberland to Braves - California Golden Blogs
![Oakland Athletics' Daulton Jefferies against the Texas Rangers during a baseball game in Oakland, Calif., Sunday, Sept. 12, 2021. (AP Photo/Jeff Chiu Stock Photo - Alamy Oakland Athletics' Daulton Jefferies against the Texas Rangers during a baseball game in Oakland, Calif., Sunday, Sept. 12, 2021. (AP Photo/Jeff Chiu Stock Photo - Alamy](https://c8.alamy.com/comp/2MDJN8C/oakland-athletics-daulton-jefferies-against-the-texas-rangers-during-a-baseball-game-in-oakland-calif-sunday-sept-12-2021-ap-photojeff-chiu-2MDJN8C.jpg)
Oakland Athletics' Daulton Jefferies against the Texas Rangers during a baseball game in Oakland, Calif., Sunday, Sept. 12, 2021. (AP Photo/Jeff Chiu Stock Photo - Alamy
![Oakland Athletics starting pitcher Daulton Jefferies throws in the first inning of a baseball game against the Los Angeles Angels, Sunday, Aug. 1, 2021, in Anaheim, Calif. (AP Photo/John McCoy Stock Photo - Oakland Athletics starting pitcher Daulton Jefferies throws in the first inning of a baseball game against the Los Angeles Angels, Sunday, Aug. 1, 2021, in Anaheim, Calif. (AP Photo/John McCoy Stock Photo -](https://l450v.alamy.com/450v/2me1c48/oakland-athletics-starting-pitcher-daulton-jefferies-throws-in-the-first-inning-of-a-baseball-game-against-the-los-angeles-angels-sunday-aug-1-2021-in-anaheim-calif-ap-photojohn-mccoy-2me1c48.jpg)
Oakland Athletics starting pitcher Daulton Jefferies throws in the first inning of a baseball game against the Los Angeles Angels, Sunday, Aug. 1, 2021, in Anaheim, Calif. (AP Photo/John McCoy Stock Photo -
![Oakland Athletics' Daulton Jefferies against the Texas Rangers during a baseball game in Oakland, Calif., Sunday, Sept. 12, 2021. (AP Photo/Jeff Chiu Stock Photo - Alamy Oakland Athletics' Daulton Jefferies against the Texas Rangers during a baseball game in Oakland, Calif., Sunday, Sept. 12, 2021. (AP Photo/Jeff Chiu Stock Photo - Alamy](https://l450v.alamy.com/450v/2mbk1a2/oakland-athletics-daulton-jefferies-against-the-baltimore-orioles-during-a-baseball-game-in-oakland-calif-wednesday-april-20-2022-ap-photojeff-chiu-2mbk1a2.jpg)
Oakland Athletics' Daulton Jefferies against the Texas Rangers during a baseball game in Oakland, Calif., Sunday, Sept. 12, 2021. (AP Photo/Jeff Chiu Stock Photo - Alamy
![Oakland Athletics starting pitcher Daulton Jefferies (66) throws against the Toronto Blue Jays during first inning American League action in Toronto on Friday, April 15, 2022. THE CANADIAN PRESS/Frank Gunn Stock Photo - Alamy Oakland Athletics starting pitcher Daulton Jefferies (66) throws against the Toronto Blue Jays during first inning American League action in Toronto on Friday, April 15, 2022. THE CANADIAN PRESS/Frank Gunn Stock Photo - Alamy](https://l450v.alamy.com/450v/2mbenge/oakland-athletics-starting-pitcher-daulton-jefferies-66-throws-in-the-first-inning-of-a-baseball-game-against-the-minnesota-twins-in-oakland-calif-on-wednesday-may-18-2022-ap-photoscot-tucker-2mbenge.jpg)
Oakland Athletics starting pitcher Daulton Jefferies (66) throws against the Toronto Blue Jays during first inning American League action in Toronto on Friday, April 15, 2022. THE CANADIAN PRESS/Frank Gunn Stock Photo - Alamy
![Oakland Athletics starting pitcher Daulton Jefferies (66) throws against the Toronto Blue Jays during first inning American League action in Toronto on Friday, April 15, 2022. THE CANADIAN PRESS/Frank Gunn Stock Photo - Alamy Oakland Athletics starting pitcher Daulton Jefferies (66) throws against the Toronto Blue Jays during first inning American League action in Toronto on Friday, April 15, 2022. THE CANADIAN PRESS/Frank Gunn Stock Photo - Alamy](https://l450v.alamy.com/450v/2mbfwa3/oakland-athletics-starting-pitcher-daulton-jefferies-throws-against-the-los-angeles-angels-during-the-second-inning-of-a-baseball-game-in-oakland-calif-friday-may-13-2022-ap-photojed-jacobsohn-2mbfwa3.jpg)
Oakland Athletics starting pitcher Daulton Jefferies (66) throws against the Toronto Blue Jays during first inning American League action in Toronto on Friday, April 15, 2022. THE CANADIAN PRESS/Frank Gunn Stock Photo - Alamy
![2021 Topps Gypsy Queen Card # 242 Daulton Jefferies Ex (5) Athletics (AA) on eBid United States | 215168184 2021 Topps Gypsy Queen Card # 242 Daulton Jefferies Ex (5) Athletics (AA) on eBid United States | 215168184](https://pic.ebid.net/upload_big/3/1/9/uo_1673020942-21094-10.jpg)