Matthias Koster

<a rel="author" href="http://mopupduty.com/index.php/about-mop-up-duty/authors_matthias_koster/">Matthias Koster</a> has written for mopupduty.com since 2006. Follow Matthias on <a href="http://www.twitter.com">Twitter</a>, <a href="http://www.facebook.com/matthiaskoster">Facebook</a> and <a href="https://plus.google.com/102941012828190646836" rel="me">Google +</a>

ROB Trends

Matthias, Sabermetrics, Two Minute Stat ShotFebruary 19, 2007<February 3, 2008

ROB Trends

ROB Trends

The case against Gregg Zaun becoming an everyday catcher

2007 Season, Commentary, Matthias, Toronto Blue JaysFebruary 18, 2007<February 3, 2008

The case against Gregg Zaun becoming an everyday catcher

The case against Gregg Zaun becoming an everyday catcher

Roundtable: Toronto Blue Jays Pre-Spring Training 2007

2007 Season, Callum, Commentary, Early, Matthias, Toronto Blue JaysFebruary 18, 2007<February 3, 2008

Roundtable: Toronto Blue Jays Pre-Spring Training 2007

Roundtable: Toronto Blue Jays Pre-Spring Training 2007

Matthias, SabermetricsFebruary 16, 2007<February 16, 2007

Introducing ROB – Runs on Base

Â Introducing ROB – Runs on Base Â Â Yep, Iâ€™m going to introduce yet another stat into the Mop Up Duty glossary. Speaking…

Omar Vizquel : Going to Cooperstown?

Commentary, Hall of Fame, Matthias, UncategorizedFebruary 11, 2007<February 11, 2007

Omar Vizquel : Going to Cooperstown?

Omar Vizquel :Â Going to Cooperstown? Â Â Â Â

Guess Sidney Ponson 2007 Spring Training Weight

2007 Season, MatthiasFebruary 9, 2007<February 9, 2007

Guess Sidney Ponson 2007 Spring Training Weight

Â Guess Sidney Ponsonâ€™s 2007 Spring Training Weight Â Â Â