![France's Paul-Henri Mathieu during the Masters Guinot Mary Cohr tennis tournament in Rueil-Malmaison, France on May 23, 2012. Photo by Thierry Plessis/ABACAPRESS.COM Stock Photo - Alamy France's Paul-Henri Mathieu during the Masters Guinot Mary Cohr tennis tournament in Rueil-Malmaison, France on May 23, 2012. Photo by Thierry Plessis/ABACAPRESS.COM Stock Photo - Alamy](https://c8.alamy.com/comp/2E0FFNW/frances-paul-henri-mathieu-during-the-masters-guinot-mary-cohr-tennis-tournament-in-rueil-malmaison-france-on-may-23-2012-photo-by-thierry-plessisabacapresscom-2E0FFNW.jpg)
France's Paul-Henri Mathieu during the Masters Guinot Mary Cohr tennis tournament in Rueil-Malmaison, France on May 23, 2012. Photo by Thierry Plessis/ABACAPRESS.COM Stock Photo - Alamy
![Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X](https://pbs.twimg.com/media/DI1rVh_XcAgscDp.jpg)
Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X
![NEW YORK - SEPTEMBER 4, 2014: Professional Tennis Player Gael Monfis During Quarterfinal Match Against Seventeen Times Grand Slam Champion Roger Federer At US Open 2014 At National Tennis Center Stock Photo, NEW YORK - SEPTEMBER 4, 2014: Professional Tennis Player Gael Monfis During Quarterfinal Match Against Seventeen Times Grand Slam Champion Roger Federer At US Open 2014 At National Tennis Center Stock Photo,](https://previews.123rf.com/images/zhukovsky/zhukovsky1501/zhukovsky150100136/35360332-new-york-september-4-2014-professional-tennis-player-gael-monfis-during-quarterfinal-match-against.jpg)
NEW YORK - SEPTEMBER 4, 2014: Professional Tennis Player Gael Monfis During Quarterfinal Match Against Seventeen Times Grand Slam Champion Roger Federer At US Open 2014 At National Tennis Center Stock Photo,
![Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X](https://pbs.twimg.com/media/DI1rVixXoAAj0SW.jpg)
Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X
![Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X Ben Rothenberg on X: "Once you notice, you'll see them everywhere: on the ubiquitous Guinot-Mary Cohr patches, mark of the tennis underdog:https://t.co/lAP3gGEbt6 https://t.co/98YLqbLTU2" / X](https://pbs.twimg.com/media/DI1rVhOWAAAcTbh.jpg)