Cards transaction Wednesday hits full system

From St. Louis to the Gulf Coast League, Cardinals minor league players are on the move. We have all the analysis right here!

On a Wednesday that happens to be the non-waiver trade deadline across Major League Baseball, the St. Louis Cardinals minor league system is also busy with transactions.

Let's set the stage with the help of the Cardinals roster matrix.

With Yadier Molina's injured knee likely heading him to the disabled list, a replacement player will almost surely be added from Triple-A Memphis. My guess is that first baseman Brock Peterson will be recalled, but as of Wednesday morning, the official move has not yet been announced.

However, the Memphis backfill has. On Wednesday morning, Springfield outfielder Mike O'Neill tweeted that he is on his way to join the Redbirds. In 98 Double-A games, O'Neill hit .320 (115-for-359) with 13 doubles, 35 RBI and 18 stolen bases. The 2013 Texas League Mid-Season All-Star led the league in runs (66) and walks (71), was second in batting average (.320), and on-base percentage (.431) and third in hits (115). O'Neill recorded 30 multi-hit efforts and reached base safely in 86 of 98 games with the S-Cards.

With Springfield already down one player coming into the day, the first new Double-A arrival is reliever Zack Russell, skipping a level as he arrives from Peoria.

Though Palm Beach will likely be supplying a player or two to Springfield, those names were not yet disclosed on Wednesday morning. The A-Advanced Cardinals are receiving one reinforcement in infielder Jacob Wilson, also moving up from Peoria.

The Class-A Chiefs pick up replacements for Russell and Wilson in pitcher Mike Mayers and infielder Bruce Caldwell. Mayers arrives from the Gulf Coast League while Caldwell made a more traditional move from the next level down, short-season Class-A State College.

Mayers was St. Louis' third-round selection in the 2013 draft. The junior from Ole Miss is the first member of his Cardinals draft class to reach full-season ball. Caldwell was second in the New York-Penn League with 29 runs scored.

After being assigned a new infielder on Tuesday in trade acquisition Juan Herrera, State College also receives a replacement for Caldwell in Brett Wiley, up from Johnson City.

Update 11:30 a.m.

Springfield is getting back Starlin Rodriguez from Palm Beach. The 23-year-old was with the Double-A Cards from the start of the season until June 20, when he was returned to the Florida State League after batting .250 in the Texas League. A non-roster invitee to Cardinals major league camp this spring, the second baseman-turned outfielder was an FSL All-Star in 2012 and Midwest League All-Star in 2011.

Update 1:00 p.m.

The Cardinals officially announced Molina's move to the 15-day disabled list, but in a surprise, added Shane Robinson to the DL, too. The outfielder has a strained right shoulder.

In turn, the club recalled Peterson and outfielder Adron Chambers from Memphis.

Chambers, 26, is currently hot, with a .354 (29-for-82) average in July. Overall, the left-handing hitter is batting .252 in 326 bats this season at Memphis, with eight home runs, 42 RBI and 15 stolen bases. Chambers has appeared in 59 games with St. Louis over the past two seasons (2011-12), batting .242, but this will mark his 2013 debut with the major league club.

Peterson, 29, hit his Pacific Coast League-leading 23rd home run Tuesday night. The right-handed hitter made his Major League debut on July 20, then appearing in five games for the Cardinals. In 96 games with Memphis, Peterson was batting .305 with 67 RBI.

Chambers should step into Robinson's fifth outfielder spot and pinch run with Peterson likely serving as a right-handed hitter off the bench.

Check back here throughout the day Wednesday for more information on these players and additional moves as they are disclosed.

Brian Walton can be reached via email at Also catch his Cardinals commentary daily at The Cardinal Nation blog. Follow Brian on Twitter.

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