Oakland A's MLN: News And Notes

We have news and notes from around the Oakland A's system, including players debuting from extended spring training, an award-winner and more...

Gilbert Named Texas League Player of the Week

Midland Rockhounds' outfielder Archie Gilbert was named the Texas League's Player of the Week for the week of April 26th. During the week, Gilbert hit .407 with two homeruns and six RBIs in seven games. On the season, the Union City native and Cal State-East Bay alum is batting .293 with four homers and a 918 OPS in 22 games. Over his last 10 games, Gilbert has a .385 average with three homeruns, 11 RBIs and a 1160 OPS.

Mederos to DL; Peterson to Kane County

After exiting Sunday's start in the first inning, Kane County starter Chris Mederos has been placed on the disabled list with a right shoulder injury. Mederos, a 25th round pick of the A's out of Georgia Southern last season, was off to a great start to the season before his injury. In 24 innings, Mederos had a 1.88 ERA and 20 strike-outs against seven walks. He was holding Midwest League batters to a .207 average. The injury is being called a shoulder strain and he is scheduled for an MRI on Friday.

Mederos was replaced on the Cougars' roster by another 2009 draft pick, left-hander Max Peterson. Peterson, an 18th round pick out of San Jose State, joins the Cougars from extended spring training. Peterson pitched for short-season Vancouver and the A's Rookie League club last season, posting a 3.96 ERA in 25 innings. He struck-out 31 and walked 16.

Peterson made a big impact in his first appearance with the Cougars. He came on in the 13th inning to save a game for Kane County and struck-out all three batters he faced in the 3-2 Kane County win.

Tolleson Returned to Sacramento

Before the Oakland A's Tuesday night match-up with the Texas Rangers, Oakland sent down infielder Steven Tolleson to Triple-A to make room on the roster for right-hander Vince Mazzaro, who started the game for Oakland. Tolleson returned to Sacramento after appearing in three games for the A's. In four at-bats, Tolleson collected one hit. It was his first stint in the big leagues. He returns to the River Cats with a .333 Triple-A average and a 939 OPS in 16 games.

Mazzaro was called up to take the place of injured right-hander Justin Duchscherer, who had to leave his last start with the A's early with left hip pain. In five outings for Sacramento, Mazzaro had a 2.59 ERA and 27 strike-outs in 24.1 innings. Pacific Coast League batters were hitting only .239 against Mazzaro. He struggled in his first big league outing of the season, however, allowing four runs in three-plus innings of work.

It was the second roster move in two days for the A's, who sent down reliever Brad Kilby and activated reliever Michael Wuertz off of the DL on Monday. Kilby was sent down after throwing three-and-one-thirds innings in Toronto on Sunday. He pitched well, but the A's needed a fresh arm in the bullpen after their starting rotation was hit hard on the recent road trip.

Cardenas, Horton and Carignan Return

A's infield prospects Adrian Cardenas and Josh Horton and reliever Andrew Carignan have completed their rehabs and returned to full-season affiliate play after they all began the year at extended spring training.

Cardenas joined the Sacramento River Cats on Friday and has hit safely in four of the five games he has played in thus far, although he has only four hits in 20 at-bats and he has struck-out six times. Cardenas began the year at extended spring training after fracturing his thumb on a slide during spring training.

On Thursday, Horton joined the Stockton Ports, who he last played for in 2008 when he was an integral part of the Ports' Cal League championship team. Horton is off to a fast start with Stockton, with eight hits in his first 16 at-bats. He has a homer, two doubles and a triple and he has driven in four. Horton began the year at extended spring training in order to complete his rehab from off-season elbow surgery. According to Lieppman, Horton will play in the field for a couple of days and then DH on his "days off" from fielding until he has completed a program that is designed to get him back to Double-A Midland, where he spent last season.

Carignan officially returned to regular season action on Tuesday with an inning of work for the Stockton Ports. Carignan missed virtually all of last season with an arm injury, but he excelled in 2008 for both the Ports and the Rockhounds. According to Lieppman, it hasn't yet been determined at what level Carignan will pitch for most of the season, but he will start with Stockton for now.

Highlights from Tuesday's Action

* Robert Gilliam allowed only a run on five hits and one walk in eight innings in a no decision for Kane County on Tuesday. The Cougars went on to win, 3-2, in 13 innings. Gilliam struck-out seven and lowered his ERA to 3.13. Connor Hoehn earned the win with two scoreless innings of relief. He struck-out four and allowed only one hit and he has now struck-out 34 in 23 innings this season. Max Stassi hit his fourth homerun of the season and he had three hits, as did Tyreace House and Nino Leyja. Michael Gilmartin had the game-winning RBI in the top of the 13th.

* Shane Peterson had two hits and two RBIs and the Midland Rockhounds defeated the Corpus Christi Hooks 4-2. Ben Hornbeck had hit best start of the season, allowing only an unearned run in six innings. He struck-out four, walked two and gave-up six hits in earning his second win of the season. Beau Vaughan picked up his sixth save with a scoreless ninth. He struck-out two.

* Corey Wimberly and Eric Sogard, the Sacramento River Cats' number two and three hitters, combined for six hits and the River Cats broke a seven-game losing streak at home in defeating the Salt Lake Bees, 7-3. Wimberly also stole a base, his team-leading ninth of the season. Michael Taylor had a double and three RBIs. He has 18 RBIs on the season, tied for second-most on the team. With Mazzaro called up to Oakland to make the start on Tuesday, reliever Fernando Hernandez got the start and he threw three scoreless innings. He was followed by Jonathan Hunton, who threw three hitless innings to earn the win. Sam Demel threw two innings in relief and allowed an unearned run. He hasn't allowed an earned run in his last 6.2 innings. He has a 1.38 ERA and a 15:4 K:BB ratio in 13 innings this season.

* The Stockton Ports scored four runs in the bottom of the ninth inning to stun the San Jose Giants and win the game, 8-7. Jeremy Barfield's sacrifice fly was the game-winner. Petey Paramore hit a three-run homer and Michael Spina had two RBIs and two hits. Josh Horton, Tylor Ladendorf, Paramore, Shane Keough and Kala Ka'aihue also had two-hit games. Ka'aihue also threw out a runner at home from left. Daniel Thomas allowed three runs on four walks and a hit in a rough outing. He has walked 13 in 10.1 innings this season.

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