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You may think Wily Mo Pena is a washed-up, overrated, swing-at-everything type of hitter who's a foolish investment for the Mariners, and there are plenty of statistics that point you to that conclusion. But did you see that home run he hit back in June at Comerica? He can hit.
Wily Mo is preceded at every away stadium by his reputation of raw power. Scouts have been saying, since he was just 16, that he has more raw power than anyone alive right now. He experienced some success in his days with the Reds and Red Sox, but he's never really been able to hit anything except fastballs over the plate.
That lack of versatility is the reason he's been bouncing around so much in the past 10 years between the minors and the majors and several teams. He isn't the ideal fix for the Mariners' slugging problems, but we got him for free.
Prince Fielder would have been nice, but not worth the staggering price, especially in a season of non-contention for the M's.
Currently, Wily Mo is heading to Peoria, but he'll be playing for Tacoma after that. Maybe they can figure out how to unlock all of that power before the end of the season. He's only 29, though, so he's technically in his prime; we could see him benefit the Mariners in the near future as their prospects build up in the majors.
In addition to Wily Mo, we now have Trayvon Robinson and Chih-Hsien Chiang in our system. Chiang is playing in (and will continue to play in) Double-A, and Robinson is playing in (and will also continue to play in) Triple-A, but both guys have a .900-plus OPS, with the heavier component being slugging percentage.
In contrast to Wily Mo, these guys are young, growing power (both guys are 23 years old). This season, Chiang is hitting .338 with 18 home runs and 76 RBI through 87 games. Robinson is hitting .293 with 18 HR and 71 RBI through 100 games. That's the sort of youthful potency we've been longing to see in the Mariners lineup.