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South Side Sox Top Prospect No. 86: Mason Adams

“Intangibles” is usually just a way for scouts to mumble under their breaths about a player, but Adams has ’em

Mason Adams parlayed a strong season at JU into an express route to Arizona.
Jacksonville University
Brett Ballantini started at South Side Sox in 2018 after 20 years of writing on basketball, baseball and hockey, including time on the Blackhawks and White Sox beats. Follow him on Twitter @BrettBallantini and email your site feedback to

Mason Adams

Right-Handed Starting Pitcher
200 pounds
Age: 23
2022 High Level ACL (Rookie)
Age relative to high level +0.8 years
SSS rank among all right-handed starting pitchers in the system 19
Overall 2022 college stats 15 starts ⚾️ 90 IP ⚾️ 4.80 ERA ⚾️ 1.278 WHIP ⚾️ 108 K ⚾️ 31 BB

With pick No. 401 in the 13th round of the 2022 MLB draft, the White Sox added right-handed starting pitcher Mason Adams from Jacksonville University.

Adams, a juco transfer to JU in 2021, was fourth-year senior with an interesting pitching track record. As a starter for the Dolphins in both 2021 and 2022, he put up mediocre numbers (5.47 ERA, 1.349 WHIP), but sandwiched in-between those campaigns was a stellar 22 23 innings pitching summer ball for the Phipps Park Barracudas in the South Florida Collegiate Baseball League, in which he allowed just one earned run and whiffed 23 batters.

The redshirt junior became JU’s Friday night starter for the Dolphins, taking the mound 15 times and leading the Dolphins with 90 innings, 108 strikeouts and five wins (tie). He also hit 13 batters, tied for seventh-most in program history.

Mostly on promise, Adams was ranked No. 496 in the Baseball America Top 500 heading into the draft.

He took Chicago’s $75,000 signing bonus and got in a little time in Arizona after signing, seeing action in three games, all in relief (7.36 ERA over 3 2⁄3 innings). Though promising, in this case Adams’ player ratings should be taken with a grain of salt:

Adams Baseball Cube player ratings
Durability 71
Strikeouts 68
K/BB 65
vs. Power 60
Hittable 60
Walks 58
Team Winning Percentage .320

Adams was an “old” rookie, so expect him to get a full season in come 2023, beginning with Kannapolis. He appears to be a hurler who could work in the rotation or pen, but let’s assume the White Sox want to see the righty get some starts in before any innings limits are reached in the second half.

2023 South Side Sox Top 104 White Sox Prospects

86. Mason Adams, RHSP
87. Frankeli Arias, LHSP
88. Ernesto Jaquez, RHSP
89. Laz Rivera, 3B
90. Xavier Fernández, C
91. Álvaro Agüero, CF
92. Ben Norman, RF
93. Erick Bello, RHRP
94. Adisyn Coffey, RHRP
95. Arnold Prado, RF
96. Alsander Womack, 2B
97. Johan Domínguez, RHSP
98. Evan Skoug, C
99. Noah Owen, RHSP
100. Javier Mora, 2B
101. Will Kincanon, RHRP
102. Yohemy Nolasco, RHSP
103. Billy Seidl, RHRP
104. José Rodulfo, RHRP