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About Michael Grennell - RotoBaller

I've been writing about baseball for six years now, and I've been playing fantasy baseball for almost 10. I spent the 2016 season as the beat writer covering the Ogden Raptors for the local newspaper, and now I'm the social media intern/team photographer for the Bristol Pirates.

Michael Grennell - RotoBaller has written 63 articles so far, you can find them below.


Two-Start Pitcher Streamers for Week 4

We're four weeks into the season and the search for good pitching in Boston continues. Being a White Sox fan, I know I don't have much room to speak about bad pitching, but you have to look at the silver linings every now and then. Silver linings like how Chicago only has the fourth-worst ERA... Read More

5 days ago

Two-Start Pitcher Streamers for Week 3

Two weeks in, how's your season going? Are you still hunting the waiver wire or are you already making plans for 2020? Well if you're still reading this, let's assume you're still in the hunt and want to know which two-start pitchers to snag this week. Before we dive into this week's list, we'll do... Read More

2 weeks ago

Two-Start Pitcher Streamers for Week 2

Week 1 is almost in the books. We've seen some great pitching performances this week, while also watching a few guys still get the kinks worked out of their system. Now with a week of playing time that actually matters, we can get a better idea of what to expect from the two-start pitchers in... Read More

2 weeks ago

Two-Start Pitcher Streamers for Week 1

The 2019 season is officially underway! After months of preparing for drafts, now owners will turn their attention to finding the best values off the waiver wire. Owners looking for two-start pitchers in this first week of the season are going to have to dig their way through the back end of team's rotations. While... Read More

3 weeks ago

Bullpen Busts Due to Bounce-Back in 2019

It's almost time for Opening Day! Spring Training is wrapping up and so are fantasy baseball drafts. So as we get ready for the start of the season, let's take a look at a few bullpen guys who might be a little underappreciated in drafts this year. Now with a couple of guys on this... Read More

1 month ago


Top 10 Dynasty Third Base Prospects

Taking a look at the top third base prospects in dynasty, you can split the list into two categories: Vladimir Guerrero Jr and everyone else. Clearly, Guerrero is the most exciting prospect in fantasy right now after his monster 2018 campaign where he hit .381 with 20 home runs and a 1.073 OPS over 408... Read More

2 months ago

Three Up, Three Down for Prospects - Starting Pitchers

A starter, a starter! My fantasy league for a starter! We're still three months away from the start of the season, but now is the perfect time to take a look at some starting pitcher prospects on the rise and some that need to turn things around. Last season saw several pitchers make their highly... Read More

2 months ago

Yusei Kikuchi to the Mariners - Fantasy Outlook

The Mariners rang in the new year with yet another move, as news broke in the final hours of 2018 that Nippon Professional Baseball pitcher Yusei Kikuchi had signed a four-year deal with Seattle. Kikuchi will be joining the Mariners after a "down" season in which he only went 14-4 with a 3.08 ERA —... Read More

4 months ago

Domingo Santana to the Mariners - Fantasy Impact

The wheeling and dealing in Seattle continued just days before Christmas with the Mariners acquiring right fielder Domingo Santana from the Brewers. In the team's fourth trade in the month of December and their eighth trade of the offseason, Seattle sent outfielder Ben Gamel and reliever Noah Zavolas to Milwaukee for the 26-year-old Santana. After... Read More

4 months ago

2018 Pitching Fallers - ERA

In my last piece, we took a look at some of the pitchers who made significant improvements to their ERA in 2018. Now it's time to take a look at the guys who went in the other direction, and see if it's time to panic on them. This list features two starters who were being... Read More

4 months ago


Charlie Morton to the Rays - Fantasy Impact

The latest free agent pitcher to find a new home is former Houston Astros starter Charlie Morton, who signed a two-year deal on Wednesday to take his talents to Tampa Bay. Morton underwent a career resurgence in Houston, where he won a World Series ring and earned his first All-Star Game appearance after nine seasons... Read More

4 months ago

Ivan Nova to the White Sox - Fantasy Impact

The buzz all off-season surrounding the White Sox has been whether they will break out the checkbook and land superstars Bryce Harper or Manny Machado. Well, it took only three days into the Winter Meetings for the White Sox to... trade for Ivan Nova. While this may not have been the big move White Sox... Read More

4 months ago

2018 Pitching Leaders - ERA

It was an impressive year for ERA in 2018, as MLB's combined 4.14 ERA was the lowest since league pitching recorded a 3.95 ERA in 2015. Just to give you an idea of how much pitching improved this year, all four of the pitchers that will be mentioned in this list finished in the top-10... Read More

5 months ago

Hot Prospects to Watch - Season Recap

It's the final week of the regular season. It feels like it's gone by in a blur, doesn't it? At this point in the season, you're either already done or any prospects that will make an impact this week are already owned. So in this week's list we're going to do a quick-hit, season-in-review to... Read More

7 months ago

Rookie Report: Recent MLB Prospect Call-Ups (Week 26)

It's our final Rookie Report of the 2018 season, and in it we'll take a look at a former first round pick who finally made his major league debut. After being the 31st overall pick in the 2014 draft, Justus Sheffield made his debut with a shutout ninth inning in the Yankees' 10-1 win over... Read More

7 months ago


Rookie Report: Recent MLB Prospect Call-Ups (Week 25)

In this week's Rookie Report, we'll be taking a look at several catchers making an impact in fantasy this month. Francisco Mejia made a splash in his first start for the Padres, hitting his first and second career home runs while driving in four in the 6-2 win over the Reds. While Mejia may have... Read More

7 months ago

Rhys Hoskins Launches 32nd Home Run of 2018 on Wednesday

Philadelphia Phillies first baseman Rhys Hoskins continued to show off his power on Wednesday, as he hit his 35th double and 32nd home run of the season in the Phillies' 4-0 win over the New York Mets. It's been a while since the Phillies have seen a power output like this, with Hoskins being the... Read More

7 months ago

Jake Bauers Hits Pair of Doubles in Rays Win

After struggling through the month of August and into early September, Tampa Bay Rays first baseman Jake Bauers continued to show signs that he's slowly heating up as he recorded a pair of doubles in the Rays' 9-3 win over the Texas Rangers. The two doubles were Bauers' only hits of the night as he... Read More

7 months ago

Tommy Pham Homers Twice in Rays Win

Tampa Bay Rays outfielder Tommy Pham launched his 18th and 19th home runs of the season in the Rays' 9-3 win over the Texas Rangers on Wednesday night. Entering the game, Pham had only had one home run in the month of September, and had three total since being traded to Tampa Bay at the... Read More

7 months ago

Jack Flaherty Strikes Out Six in Loss to Braves

St. Louis Cardinals starting pitcher Jack Flaherty struck out six batters over 4 2/3 innings against the Atlanta Braves on Wednesday night. Flaherty allowed five runs on five hits and two walks to earn his eighth loss of the year in his shortest outing since the beginning of June. Wednesday's outing marked the 13th consecutive... Read More

7 months ago


Harrison Bader Hits 12th Home Run of the Year on Wednesday

St. Louis Cardinals outfielder Harrison Bader's solo home run in the fifth inning was his only hit of the night in the Cardinals' 7-3 loss to the Atlanta Braves on Wednesday night. The home run was Bader's 12th of the season, as he is now hitting .267 with a .767 OPS over 129 games this... Read More

7 months ago

Hot Prospects to Watch Week 25: Mejia, Mullins, Tellez, Reid-Foley

Can you believe that the fantasy baseball season is almost over? It's well into the fantasy playoffs now, so this is the time for owners to start planning ahead for next season. Probably the hottest prospect this month who will maintain his prospect status heading into next season is Francisco Mejia. After homering twice in... Read More

7 months ago

Mike Clevinger Posts Quality Start Sunday

Cleveland Indians starter Mike Clevinger recorded his fifth straight quality start on Sunday in the Indians 6-2 loss to the Blue Jays. Clevinger allowed three runs on four hits and two walks while striking out nine over six innings. Over his last 10 starts, Clevinger has averaged six innings and seven strikeouts per start, and... Read More

8 months ago

Hot Prospects to Watch in Week 23 - Poncedeleon, Verdugo, Alcantara

It's September! Not only does that mean fantasy playoffs, it means prospects getting called up with the rosters expanding. For the last few weeks of the season, we'll be looking at players who can give your team a boost this year for a fantasy playoff run. Realistically most of the prospects who will help you... Read More

8 months ago

Rookie Report: Recent MLB Prospect Call-Ups (Week 22)

Same report, new management this week, as I will take over the Rookie Report for Max for the remainder of the season. I've been writing about the hot prospects dynasty owners should be keeping an eye on this year, and now I'll also be diving into the best rookies for fantasy owners to pay attention... Read More

8 months ago


Hot Prospects to Watch Week 22: Franco, Ashby, Duran

Can you believe that the minor league season is almost over? Just one more week left before playoffs begin. We've taken a look at a lot of prospects this year — some who are nearly household names by now and others who are flying under the radar. This week's list doesn't feature a "big-name" prospect... Read More

8 months ago

Hot Prospects to Watch Week 21: Kopech, Santana, Urias

Arguably the most exciting pitching prospect in baseball gets the call today, as Michael Kopech will start for the Chicago White Sox tonight against the Minnesota Twins. Kopech appeared in last week's column, where we looked at his long term value going forward. We're going to take a look at him again this week, but... Read More

8 months ago

Hot Prospects to Watch Week 20: Guerrero, Chavis, Kopech

Over the past few weeks on this column, we have been taking a look at hot prospects that were either not as well known or were still some ways away from reaching the majors. This week however, we're looking at some of the big name prospects out there that have been on fire over the... Read More

8 months ago

Hot Prospects to Watch Week 19: Lewis, Gorman, Gore, Graterol

There's a lot of good young talent coming up through the minor leagues right now, so this week we're going to take a look at four prospects under the age of 20 who have been on a hot streak. The four players on this week's list are still a couple years away from making an... Read More

9 months ago

Hot Prospects to Watch Week 18: Beeks, Phillips, Spanberger

Today is the trade deadline and it seems safe to assume we'll be seeing more prospects landing on new teams by the end of the day. Last week we took a look at some top prospects that could potentially have a path to the majors open up by trade or that could themselves be traded... Read More

9 months ago


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