<p>JUPITER, Fla. For the third time already this spring, Cardinals manager Mike Matheny today urged his players to be vigilant and conscientious on social media because one misstep is "one fraction of a second" away from going global.</p><p>This time he had a readily available example for his meeting with players in the major-league camp.</p><p>On Monday afternoon, pitcher Carlos Martinez's page of "favorite" tweets on Twitter a publicly available page went viral because it contained dozens of pornographic photos and links. A link to the page, which could be seen by anyone online, sped through Twitter and was picked up later by Deadspin.com. A video on that site offered a tour of the adult pictures Martinez had collected by clicking "favorite" on the social media site's stream of tweets.</p><p>The Cardinals were unable to reach Martinez until Monday evening, at which time they helped him remove the images from his Twitter page.</p><p><a href="http://www.stltoday.com/sports/baseball/professional/cardinal-beat/cards-martinez-embarrassed-by-images-on-twitter/article_08ed7e21-01e1-5e54-a034-e12c6128125e.html">Keep reading...</a></p><p>Read also:</p><p><a href="http://espn.go.com/mlb/story/_/id/10520239/st-louis-cardinals-embarrassed-carlos-martinez-twitter-incident">Martinez Embarrassed By Twitter Incident</a> (ESPN)</p><p><a href="http://sports.yahoo.com/blogs/mlb-big-league-stew/cardinals-help-carlos-martinez-remove-porn-links-twitter-142437357--mlb.html">Cardinals help Carlos Martinez remove porn links from his Twitter account</a> (Yahoo Canada Sports (blog))</p><p><a href="http://mlb.mlb.com/news/article/mlb/carlos-martinez-twitter-incident-learning-experience-for-st-louis-cardinals?ymd=20140225&content_id=68334646&vkey=news_mlb">Martinez Twitter incident learning experience for Cards</a> (MLB.com)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dVunWiRVlViLDpMFvYm_tnjJsvPoM&authuser=0&ned=us">83 additional articles.</a></p>