A's announce series of roster moves

Oakland Athletics second baseman Jordan Diaz.

The A’s announced a series of roster moves Thursday, placing outfielder Esteury Ruiz on the 10-day injured list with a left wrist strain, selecting the contract of Daz Cameron from Triple-A Las Vegas and designating infielder Jordan Diaz for assignment to open 40-man space for Cameron.

Diaz, 23, was an international signing out of Colombia and eventually jumped onto Baseball America’s list of top 30 prospects in the Oakland system in 2019, the first of five straight years he was featured on that list. He was added to the club’s 40-man roster in November of 2021, keeping him out of the Rule 5 draft. That roster spot came to Diaz after he hit 13 home runs in 90 High-A games that year, slashing .288/.337/.483 overall.

Unfortunately, the results since then haven’t been quite as impressive. He’s hit 10 home runs in his 344 major league plate appearances but walked just 5.5% of the time, leading to a line of .227/.276/.358. That production translates to a wRC+ of 79, indicating he’s been 21% worse than league average.

His minor league production was still strong in the past two years but has fallen off a cliff here in 2024. He hit .321/.363/.513 on the farm over 2022 and 2023 but his line is just .204/.288/.327 so far this year. His 9.9% walk rate in 2024 is actually an improvement for him but he has just two home runs in 111 trips to the plate and the batting average is clearly not ideal.

He is now in his final option year, so there was a sort of ticking clock in the background for him this year. Since he’s gotten out to such a poor start, the A’s have nudged him off the roster now in order to open up a spot. They will have a week to try to trade Diaz or pass him through waivers. Perhaps a rival club looking for infield depth will be interested based on his previous seasons. Diaz can play the three non-shortstop infield positions and has even received very brief looks at catcher and left field. He can be kept on optional assignment for the rest of the year and has less than a year of service time at the moment.

Bumping Diaz off the 40-man opens a spot for Cameron, who will replace Ruiz in the club’s outfield rotation. The 27-year-old signed a minor league deal with the A’s in the offseason and been playing very well in Triple-A this year. He has drawn a walk in 16.4% of his 165 plate appearances and also hit six home runs, leading to a .307/.424/.577 batting line. Even in the hitter-friendly Pacific Coast League, that’s still 46% better than league average. He’s also stolen eight bases in 10 tries.

Cameron has impressed in the minors before but has struggled in his attempts to carry that kind of production over to the majors. He received 244 plate appearances with the Tigers over the 2020-22 period but hit just .201/.266/.330 in that time, striking out at a 31.6% clip.

He exhausted his option years in that time and has been in the minors since then, with the Orioles last year and with the A’s so far this year. If things click for him in the majors this time, he can be kept around by the A’s since he has less than two years of service time. For now, he’ll join the club’s outfield mix alongside JJ Bleday, Brent Rooker, Seth Brown and Tyler Nevin.

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