Waiver Wire is our weekly look at players available in many leagues that could have an immediate impact on your fantasy roster, or simply just players to keep on your radar. We’ll be here all season to let you know which players to watch, who to ignore, and most importantly, who to pick up. If you have any waiver wire questions, feel free to post them in our Fantasy Baseball Forum.

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Brennan Boesch DET | OF

The Tigers young outfielder has shown a lot of promise at times, and he has really started to get things going as of late. So far in July he is batting well over .350 with decent power. He isn’t going to throw in much speed and probably will not bat for the best average, but Boesch is on a great offense and he should have a lot of chances for RBIs. I doubt he will keep up his current pace, but he is well worth a gamble since the upside is there. (about 40% owned)

Tom Wilhelmsen SEA | RP

It always amazes me when a guy moves into a closer role, pitches great, but they still don’t get picked up in a lot of fantasy leagues. Wilhelmsen has been one of the more consistent closers in the last two months, but he is still only owned in about half of all leagues. Since taking over the closer role he has only blown one save, and at this point I don’t understand why people aren’t picking him up. (about 55% owned)

Tommy Milone OAK | SP

One of the big pieces that came over to the A’s in the Gio Gonzalez trade, Milone is a young pitcher with a ton of upside. He pitched great in the minors for the Nationals system before getting traded, and he has been solid in the bigs thus far for the A’s. Like any young pitcher he has had some rocky starts this year, but in his last 3 starts in July he has a sub 2 ERA and over a K per inning. (about 55% owned)

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Lorenzo Cain KC | OF

We liked Cain coming into the season, but injuries have kept him from having much of an impact so far this year. However, since coming off the DL Cain has been on fire. He isn’t going to bat for much power, and so far this year he has limited speed, but he has the potential to bat for a great average and help your team in a lot of other categories. I think Cain’s speed will pick up down the stretch, and he is well worth an add in deeper leagues if you need help with your batting average. (about 20% owned)

A.J. Griffin OAK | SP

This young A’s starting pitcher is making some noise since getting called up to the bigs, and he is worth a look in deeper leagues. His numbers in the minors were solid, and he has carried those solid numbers right into the bigs. His stuff isn’t all that impressive, but if he can continue to keep the walks down he could be an effective fantasy pitcher. (about 10% owned)

Ryan Doumit MIN | C/OF

You have heard me say this a lot, whenever you can find a catcher that can bat over .300 then they need to be owned in fantasy. Doumit has proven in the past that he is capable of this, and since somewhat of a slow start his bat has caught fire. Since June he has hit well over .300 with a decent amount of power, so if you need help at the catcher position you might want to give Doumit a look. (about 40% owned)

Starling Marte PIT | OF

This young prospect from the Dominican has played great this year in the minors, and he has finally been called up by the Pirates. Marte wasn’t batting for an amazing average in the minors this year, but he did rack up 45 extra base hits in only 384 at bats. There is no guarantee that he will play everyday, but I can’t imagine that they would bother calling him up if they didn’t have plans for him to be out on the field. (about 5% owned)

Josh Rutledge COL | SS

The young shortstop for the Rockies has been very impressive since getting called up to the bigs, and we like his upside moving forward. He was able to bat for average in the minors, and he has the ability to throw in some speed and power as well. I am not expecting huge things from him for the rest of this year, but I do think he could be fantasy relevant in deeper leagues. (about 10% owned)

Danny Espinosa WAS | 2B/SS

Espinosa has struggled for a good part of the year struggling to just keep his average above .200, but he has been on fire in July. He has raised his average about 30 points, and he has thrown in a decent amount of speed as well. He is a talented young player with dual position eligibility that I think is worth a look if you need help in the middle infield. (about 50% owned)

Cameron Maybin SD | OF

When you look at Maybin’s numbers as a whole for the year they aren’t that impressive, but he has started to get things going. You know you are going to get plenty of bags with Maybin, and if he can throw in some power and a decent average he could help any fantasy team. His average during the month of July has been over .300, and if he can keep up this pace he could be a top 15 outfielder down the stretch. (about 50% owned)

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Ben Sheets ATL | SP

I am not ready to tell people to go out and pickup Ben Sheets, but if he has another good start I say go for it. The injury prone pitcher hasn’t made a fantasy impact since 2008, but at this point he seems to be healthy. The main reason I am not running to pick up Sheets is because even in his prime he was only a slightly above average pitcher. He does still have an upside however if he can stay healthy, but that’s a big if at this point in his career. (about 50% owned)