National League New York Mets pitcher Johan Santana during first inning action in Washington

Is Johan Santana a Hall of Famer?

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Though Johan Santana has expressed a desire to continue his playing career after recently finding out he had re-torn the anterior capsule muscle in his left shoulder, one can’t help but reflect on his great 12-year career with the Twins and Mets. Jay Jaffe did just that at Sports Illustrated, concluding that the Hall of Fame case for the lefty isn’t that strong.

Turning to the advanced metrics to compare Santana’s case against the starting pitchers in the Hall of Fame using Baseball-Reference.com’s version of Wins Above Replacement and my own Jaffe WAR Score (JAWS) system (explained here), we can get a better sense of the impact of his short career.

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Santana has compiled 49.1 WAR for his career, and 43.1 for his peak (his best seven seasons), for an overall JAWS of 46.1. The average starting pitcher in the Hall has compiled 68.1 WAR for his career, and 47.7 for his peak, for an overall JAWS of 57.9. In other words, Santana is well short measured against all three standards.

Sandy Koufax will likely be the name most closely associated to Santana if he never pitches another inning, as Koufax has a similar career adjusted ERA (131 to Santana’s 136) and career workload (2,324 innings to Santana’s 2,025). Jaffe notes, however, that Koufax had much more success in the post-season and has an additional Cy Young and an MVP award on his mantle.

It will be interesting to see where the consensus among the Baseball Writers Association of America arrives, whether it’s in five years or longer when Santana hangs up the spikes for good.

Giants acquire Eduardo Nunez from the Twins

ARLINGTON, TX - JULY 07: Eduardo Nunez #9 of the Minnesota Twins throws for an out at first in the fourth inning during a game against the Texas Rangers at Globe Life Park in Arlington on July 7, 2016 in Arlington, Texas.  (Photo by Sarah Crabill/Getty Images)
Sarah Crabill/Getty Images
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The Giants have acquired All-Star infielder Eduardo Nunez from the Twins in exchange for minor league pitcher Adalberto Mejia, the club announced on Thursday night.

Nunez, 29, went 0-for-4 in Thursday night’s game against the Orioles. He’s hitting .296/.325/.439 with 12 home runs, 47 RBI, 49 runs scored, and a league-best 26 stolen bases in 391 plate appearances this season. Nunez has played mostly at shortstop this season, but has also logged significant time at third base and a handful of games at second base, so he’ll give the Giants some versatility.

Nunez will likely play a lot of third base for the Giants as Matt Duffy is still sidelined with a strained left Achilles. He’s earning $1.475 million this season and will enter his third and final year of arbitration eligibility heading into 2017.

Mejia, 23, was considered the Giants’ seventh-best prospect by MLB Pipeline. He earned a promotion to Triple-A Sacramento last month after posting a 1.94 ERA with Double-A Richmond. In seven starts with Sacramento, he has a 4.20 ERA with a 43/11 K/BB ratio in 40 2/3 innings.

With a roster spot open, the Twins called up infield prospect Jorge Polanco from Triple-A Rochester, per MLB.com’s Rhett Bollinger.

Report: Mariners’ Taijuan Walker drawing “strong” trade interest

SEATTLE, WA - JUNE 08:  Starting pitcher Taijuan Walker #44 of the Seattle Mariners looks on from the dugout after completing eight innings against the Cleveland Indians at Safeco Field on June 8, 2016 in Seattle, Washington.  (Photo by Otto Greule Jr/Getty Images)
Otto Greule Jr/Getty Images
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Bob Nightengale of USA TODAY reports that the Mariners have received “strong” trade interest for starter Taijuan Walker. The right-hander is currently on the mend from tendinitis in his right foot.  He’ll throw a bullpen on Friday at Wrigley Field with scouts in attendance.

Walker, 23, has a 3.66 ERA with an 80/18 K/BB ratio in 86 innings this season. It’s his first bit of sustained success at the major league level. What’s arguably just as intriguing is the fact that Walker will be under team control through 2020.

The Mariners have been hovering around .500 for the last month and entered Thursday six games behind the first-place Rangers in the AL West and 4.5 games out of the second AL Wild Card slot, behind three other teams as well as the two Wild Card leaders. It’s enough uncertainty which could push the Mariners to sell.