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Oakland A's Minor League Notebook: Chris Kohler headed for surgery

Kimberly Contreras brings us updates from extended spring training, plus news and notes from the Oakland A's system from this weekend.

Injury updates

Injury issues continue to haunt talented left-handed pitching prospect Chris Kohler. Kohler hasn't had a fully healthy season since his pro debut season in 2013. Kohler will have shoulder "clean up" surgery on Monday and will be out at least three months.

On the flip side, A's 2015 first-round pick Richie Martin has received positive reports since his surgery for a torn meniscus in his knee. He is at least a week ahead of schedule and, thus far, everything with the procedure has been best-case scenario.

Lana Akau continues to be sidelined while dealing with concussion symptoms. Akau suffered the concussion during spring training. Ryan Gorton is taking it slow in his recovery from tightness in his bicep. Gorton converted from catcher to pitcher last season, so the A's will be careful with him. Tanner Peters is healthy and is in extended spring training building up his innings before he is assigned out to an affiliate.

Lefty Matt Stalcup completed his rehab and was assigned to High-A Stockton on Sunday. He made his season debut with the Ports on Sunday and came into the game in relief. Stalcup took Bobby Wahl's spot on the Ports' roster. Wahl moved up to Double-A Midland.

One player who could be joining extended spring training later this year is Eric Sogard, who will reportedly have left knee surgery after feeling discomfort during his rehab games with the Ports. He had soreness in his neck that landed him on the A's disabled list at the start of the regular season.

Extended spring training updates

Here are some notes from extended spring training:

Sounds Update: Manaea continues to shine

It was a pitching match-up that drew plenty of attention from prospect watchers over the weekend when Sean Manaea and the Nashville Sounds squared off against Julio Urias and the Oklahoma City Dodgers. Manaea won the battle of the highly regarded lefties, stifling the Dodgers' line-up in the Sounds' 5-1 win. 

Manaea allowed only a solo homer to James Ramsey in his 6.2 inning outing. Manaea struck-out 11 -- just missing his career-high -- and walked two. He scattered six hits. Urias allowed four runs in five innings. Renato Nunez and Jake Smolinski each homered off Urias. Nunez homered in back-to-back games on Friday and Saturday and is batting .303/.314/.576 through nine games (the Sounds were rained out on Sunday). Matt Olson homered on Friday, as well, his first of the season. He is batting only .148 through nine games but has seven walks and a .324 OBP.

RockHounds Update: Healy's heroics

Infielder Ryon Healy should wear a cape because he has the superhero persona down pat. Healy has two walk-off hits already this season and has been the catalyst for the Midland offense early on this season. Healy's latest walk-off hit came on Sunday. He is riding a six-game hitting streak and is batting .316/.409/.579 with two homers and a 6:8 BB:K through 10 games.

Fellow top prospects Matt Chapman and Franklin Barreto might finally be heating up after a slow start. Chapman homered twice and drove-in five on Sunday. The three-hit game on Sunday brought his average up from .143 to .219. Despite the low batting average, Chapman has continued to get on-base at a good clip. He has a .390 OBP and the two homers pushed his SLG up to .563. He has three homers on the season.

Barreto has a bigger hole to dig out of this early season, but he had back-to-back two-hit games on Saturday and Sunday. He also hit his first homer of the season on Sunday. Barreto started slow last year, as well, but finished the season hitting better than .300 despite batting under .200 in April with Stockton. With the four hits over the last two games, Barreto is now batting .182/.206/.303 in nine games.

Ports Update: Nogowski -- relief ace?

The Ports split an exciting four-game series with the Modesto Nuts and the Friday night game was one for the history books. The Ports and Nuts battled for 17 innings before Stockton took home a 12-10 win. The winning pitcher? First baseman John Nogowski who threw an incredible four shutout innings in his first professional pitching appearance. Nogowski threw 65 pitches, 35 for strikes. He also went 0-for-2 with a walk at the plate. 

Outfielder James Harris extended his hitting streak to 10 games (every game this season) with a hit on Sunday. He leads the California League in hits and he has a .333/.392/.556 line. Despite hitting out of the lead-off spot, Harris has seven RBI. He also has six extra-base hits.

Outfielder Tyler Marincov is also off to a big start. He has hit safely in nine of 10 games and has a .357/.438/.619 line with two homers and five doubles.

Stockton starters Daniel GossettHeath Fillmyer and Zack Erwin have all had solid starts in their first two outings. Gossett is fourth in the league in strike-outs with 13 and he has a 2.25 ERA in 12 innings over two starts. Fillmyer has allowed two earned runs in 11 innings over his first two High-A starts, while Erwin has allowed one earned run in 9.2 innings.

Snappers Update: Productive weekend

The Beloit Snappers earned wins on Saturday and Sunday in very different fashions. On Saturday, the Snappers scored in the ninth inning to send the game into extra-innings and won in the bottom of the 12th when Brett Siddall had a walk-off hit. Siddall had four hits and a walk in the 3-2 win.

On Sunday, the Snappers cruised to a 6-0 victory behind the strong pitching of Boomer Biegalski and Xavier Altamirano. Biegalski went five shutout innings to earn his first win. He allowed only three hits and a walk while striking out five. Altamarino allowed just one hit and two walks in four innings to earn the save. He has given up only one earned run in 8.2 innings this season.

Kyle Friedrichs is off to a fast start in his first full professional season. In 14 innings, Friedrichs has allowed just one run on 12 hits and three walks. He has struck-out 10. The Snappers are currently third in the Midwest League in team ERA (2.67).

-- Melissa Lockard contributed to this report


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