Last Updated on August 15, 2017 by Jason A. Churchill

Felix HernandezEach month at Prospect Insider we recognize a pair of Seattle Mariners — one pitcher and one batter — who have put up outstanding performances in the previous month. In August, Dustin Ackley and Hisashi Iwakuma took home the honours for Mariners of the month. Let’s take a look at if they were able to defend their titles in September.

Logan Morrison, 1B — 83 PA, .342/.398/.645, 199 wRC+, .303 ISO, 8 2B, 5 HR, 11 RBI, 15 R
September was a month to remember for LoMo who had a nice finish on what most would consider a disappointing season with the slow first-half performance and time lost due to injury. He’s been almost an entirely different player in the second-half however, and the Mariners finally received more than below average offensive output from their first baseman — something that was long overdue. Morrison hit the ball very well throughout the month and chipped in some very timely hits as well. The left-hander put up five of his 11 home runs on the season and showed glimpses of the 2011-edition LoMo that drove in 72 runs. His 1.042 OPS was by far his best of the season.

Robinson Cano, 2B — 108 PA, .265/.333/.498, 103 wRC+, .133 ISO, 7 2B, 2 HR, 11 RBI, 10 BB

Felix Hernandez, SP — 6 GS, 2-1, 38 IP, 1.66 ERA, 2.76 FIP, 2.49 xFIP, 43 K, 11 BB
After concerns about whether or not King Felix would be able to continue his strong season into the final month lingered throughout the year, the King answered his critics with the best September he’s pitched since 2010 when he won the AL Cy Young award. Aside from yielding eight runs, four earned, to the Toronto Blue Jays on the only occasion he failed to reach the fifth inning this year, Hernandez was dominant. He allowed just three earned runs in his other five starts and had shut out the Los Angeles Angels through five innings before being lifted after the Mariners were officially eliminated from the playoffs on Sunday.

There’ll continue to be plenty of chatter regarding the King’s candidacy for the 2014 AL Cy Young award over the next several weeks. He captured the AL ERA crown with a 2.16 season mark and produced one of the most dominant stretches of starting pitching ever earlier in the year, setting a record with 16 straight starts of seven or more innings pitched and no more than two earned runs allowed. Cleveland Indians ace Corey Kluber figures to be Felix’s main competition for the award and is equally deserving after a breakout performance this year.

Taijuan Walker, SP — 5 G, 2 GS, 1-1, 23 IP, 1.96 ERA, 2.18 FIP, 3.14 xFIP, 20 K, 5 BB, 0 HR

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    That’s a great question, Paul. I’d like to think so to a certain extent since he hit the ball hard all year and the last several weeks they were finally dropping for it. He was hurt by BABIP early on, but once he got healthy and got his timing down he played well. Whether or not that can be maintained into next season is the real question the M’s have to answer. We’ll talk about LoMo in more depth over the next couple weeks here, but barring a surprise acquisition, I would say that he’ll probably start the season at first, Smoak will be cut this winter, and we’ll wait and see with Peterson.

    The Mariners need to put their best team together for Opening Day, which means hoping LoMo can be a stopgap until Peterson is possibly ready is risky. I would be surprised if Peterson isn’t called up next year, but it may not be until September. A lot of things can happen between now and next summer. It’d be unwise to go into the season hoping that Peterson is the answer later in the year, in my opinion. If he is able to contribute in 2015, great, but I would think at this point in time he’ll get called up in August-September and be a candidate to start Opening Day 2016, all things equal.

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    Tyler, do you think LoMo has turned a corner or is this just a tease, and he will revert back to his prior numbers? Justin Smoak has had great stretches in the past too, but I have given up on him…

    I would love to see LoMo progress and hold down the position until DJ Peterson is ready. What the team does with the 1B/DH this offseason will be crucial to taking that next step next year.

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