Marlins rookie Mike Stanton showing historic power at age 20

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Mike Stanton went deep twice yesterday, giving the Marlins rookie 20 homers in 81 games (or exactly half a season) as a major leaguer. He also homered 21 times at Double-A before being called up in June, so Stanton has 41 long balls in 134 total games this season. Not bad for a 20-year-old.
In fact, very few 20-year-olds in baseball history have shown this much pop. Isolated Power is a stat that subtracts batting average from slugging percentage to show someone’s power removed from everything else, and right now Stanton is at .278.
Here are the all-time leaders among 20-year-olds with at least 300 plate appearances:

                    YEAR     ISOP
Mel Ott             1929     .306
Ted Williams        1939     .281
MIKE STANTON        2010     .278
Alex Rodriguez      1996     .273
Bob Horner          1978     .272
Frank Robinson      1956     .267
Tony Conigliaro     1965     .244
Jimmie Foxx         1928     .220
Mickey Mantle       1952     .219

Stanton is hitting just .251 with a .318 on-base percentage and has struck out 100 times in 81 games, so he certainly has some sizable flaws, but that’s one hell of a list to be on after making the jump from Double-A as a 20-year-old rookie.

Blue Jays place Aaron Sanchez on 10-day disabled list

Toronto Blue Jays v Los Angeles Angels of Anaheim
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The Blue Jays placed right-hander Aaron Sanchez on the 10-day disabled list with a contusion in his right index finger, per a team announcement on Saturday. The assignment is retroactive to Friday. In a corresponding move, righty Marcus Stroman was activated from the DL (right shoulder fatigue) and will take the mound for the Blue Jays at 9:07 PM ET tonight.

Sanchez, 25, is in his fifth season with the club. He hasn’t looked his sharpest so far this year, going 3-5 in 15 starts with a career-worst 4.52 ERA, 5.1 BB/9 and 7.6 SO/9 through 79 2/3 innings. It’s not yet clear how long he’ll be sidelined, though he could miss as little as one turn in the rotation before returning to the roster in the next week or two.

Sanchez isn’t the only struggling starter in Toronto’s rotation, either. Per MLB.com’s Gregor Chisholm, the team placed southpaw Jaime Garcia on the DL (right shoulder tenderness) as well, with lefty reliever Tim Mayza scheduled to take his spot on the roster. In 13 starts this season, Garcia carried a 2-6 record, 6.16 ERA, 4.5 BB/9 and 8.2 SO/9 over 61 1/3 innings. Any further decisions pertaining to the rotation — including Tuesday’s starter against the Astros — have yet to be publicly addressed.