Marlon Byrd hit with 50-game suspension Marlon Byrd follows through on an RBI single for the Chicago Cubs in an April 5, 2012, game in Chicago. NEW YORK, June 25 (UPI) -- Major League Baseball suspended free-agent outfielder Marlon Byrd for 50 games Monday after he tested positive for Tamoxifen, a performance- enhancing drug. Byrd played for the Chicago Cubs and Boston this season. He hit .210 with nine RBI and one home run in 47 games with the two clubs. He will be placed on the restricted list while on suspension, which began immediately. Byrd, 34, previously played for Philadelphia, Washington and Texas. He was a 2010 all-star and has a .278 career batting average with 445 RBI and 82 homers.