Originally posted on Fangraphs  |  Last updated 7/31/12

The San Francisco Giants have secured a veteran outfielder for the stretch run but it comes at the cost of a young catching prospect.

Tommy Joseph, 21, was the organization’s second round draft pick in 2009 and he’s moved methodically through the minor league system, one level each year, and landed in double-A to begin the 2012 season. Despite being known as an offensive-minded catcher, the Arizona native has yet to post a wRC+ above 95, meaning he’s struggled to produce league-average offense. Despite that, he’s shown raw power potential and slugged 22 home runs in 127 high-A games last season. This season his isolated power rating has dipped to .132 (from .198 in ’11).

Joseph doesn’t hit for average, his walk rate is modest and he flirts with 20% strikeout rates so he’ll need to remain at catcher to have any true value at the big league level. Defensively, he’s made strides in the finer aspects of his game, which is good news because his strong arm would be wasted at first base and he just doesn’t have the type of profile that hints at future success there.

Philadelphia currently has the underrated Carlos Ruiz starting behind the plate at the big league level but he’s already 33 and won’t be around forever. The club’s best catching prospect – prior to this deal – was Sebastian Valle who also has a number of question marks surrounding his future potential in the majors. Prior to the season, I ranked Valle as the Phillies’ third best prospect in a relatively weak system and he appears to have taken a small step back this season. Joseph, on the other hand, was ranked as the Giants’ third best prospect in another weak system and his value has held steady.

Joseph and Valle are both currently playing at the double-A level and neither has performed well enough to warrant a promotion so they may split time behind the dish while Joseph also sees some time at first base. The former is likely about a year away from receiving his first cup of coffee with the big league club.

For me, the real steal of the deal may be Seth Rosin. I ranked the right-handed reliever in the “Sleeper Alert” section of the Giants 2011-12 Top 15 prospect list and said, “If you’re a rival executive talking trade with the Giants this winter you’ll want to ask for Rosin as a throw in to any deal.” It’s nice of Philadelphia to listen.

The North Dakota native and University of Minnesota alum has been a little slower to develop – like many cold weather state prospects – but he’s produced solid minor league numbers and has a decent repertoire, including a low-90s fastball, curveball and changeup. He also has strong frame and has been durable.

Rosin, 23, has been pitching in high-A ball and currently has a 4.31 ERA but his FIP is more than a full run lower at 3.18. His strikeout rate currently sits at 10.86 K/9 and he’s showcased solid control. He’s made some spot starts and could be a useful bullpen arm at the big league level. In the grand scheme of things a middle reliever and spot starter does not have huge value but he could be a solid, cost-controlled commodity for three to six big league seasons.

The third player headed to Philadelphia is outfielder Nate Schierholtz who has struggled to find consistent playing time at the big league level but was coveted by a few teams. He’ll basically perform at a league-average level until Philadelphia acquires or promotes someone with more potential. He’s currently earning $1.3 million in 2012 and could be non-tendered this fall as an arbitration-eligible player.


GET THE YARDBARKER APP:
Ios_download En_app_rgb_wo_45
MORE FROM YARDBARKER

Arum says Pacquiao would fight McGregor if Mayweather won't

Aaron Judge hits first grand slam of his career

David Stern: Lakers could have had Chris Paul, GM panicked

Brandon Jacobs vows to 'expose' Jim Harbaugh, get him fired

Mike Zimmer won’t retire even if right eye goes blind

LIKE WHAT YOU SEE?
GET THE DAILY NEWSLETTER:

Kevin Love responds to Draymond Green’s ‘annihilation’ trash talk

Spike Lee deletes Instagram post saying Kaepernick signed with Seattle

Errol Spence is the real deal, takes down Kell Brook

Indians reveal Frank Robinson statue at Progressive Field

Report: Jerry West considered rejoining the Lakers before they hired Magic Johnson

The NHL is thinking about hosting an outdoor game in Nashville

Journey to the Stanley Cup Final: Pittsburgh Penguins

Best of Yardbarker: Ladies and gentlemen, start your engines

The 'More like Whiffer, Texas Ranger...amirite?' quiz

The Rewind: Vince Carter's graduation day celebration that wasn't

Manu Ginobili gave life to the San Antonio Spurs

Stanley Cup Final: A David vs. Goliath matchup that's not as lopsided as it may appear

Why the Indianapolis 500 is called 'the greatest spectacle in racing'

The 10 best sports docs available for streaming

Box Score 5/26: Bring on the Finals

Why wait? Our too soon Cavaliers-Warriors NBA Finals preview

Kicking It: East is East, and West is West

Three Up, Three Down: Some surprises way out (NL) West

MLB News
Delivered to your inbox
You'll also receive Yardbarker's daily Top 10, featuring the best sports stories from around the web. Customize your newsletter to get articles on your favorite sports and teams. And the best part? It's free!

By clicking "Sign Me Up", you have read and agreed to the Fox Sports Digital Privacy Policy and Terms of Use. You can opt out at any time. For more information, please see our Privacy Policy.
the YARDBARKER app
Get it now!
Ios_download En_app_rgb_wo_45

Journey to the Stanley Cup Final: Pittsburgh Penguins

Best of Yardbarker: Ladies and gentlemen, start your engines

The 'More like Whiffer, Texas Ranger...amirite?' quiz

Stanley Cup Final: A David vs. Goliath matchup that's not as lopsided as it may appear

Manu Ginobili gave life to the San Antonio Spurs

The Rewind: Vince Carter's graduation day celebration that wasn't

The 10 best sports docs available for streaming

Kicking It: East is East, and West is West

Three Up, Three Down: Some surprises way out (NL) West

The 'Let's go to the videotape!' quiz

Today's Best Stuff
For Publishers
Company Info
Help
Follow Yardbarker