Baseball-Major League Baseball roundup

June 7 (The Sports Xchange) - The Cincinnati Reds promoted right-handed pitcher Nate Adcock from Triple-A Louisville and optioned right-hander Jumbo Diaz to the same club on Sunday. Adcock owns a 2.96 ERA with 11 saves in 24 1/3 innings at Louisville. Diaz's performance Saturday cost him his spot on the roster. He walked the bases loaded and gave up the game-winning hit in a 9-7 loss to the San Diego Padres. He is 0-2 with a 6.65 ERA in 25 games for the Reds. - - - Reds catcher Devin Mesoraco (hip) will begin a rehab assignment with Louisville on Monday. He will play left field during the assignment in preparation for a new role with the Reds. - - - The Chicago White Sox placed left-handed relief pitcher Dan Jennings on the 15-day disabled list with inflammation on the left side of his neck. The move is retroactive to June 5. The team also purchased the contract of right-hander Junior Guerra from Triple-A Charlotte. Guerra has no major league experience. Jennings, 28, has gone 1-2 with a 7.83 ERA over 23 innings, with 21 strikeouts in 22 relief appearances this season, his first with the White Sox. - - - The Los Angeles Angels recalled right-hander Drew Rucinski to give them a fresh arm after relievers pitched 11 innings in the first two games in New York against the Yankees and 19 in the previous four games. - - - The San Diego Padres optioned outfielder Abraham Almonte to Triple-A El Paso and reinstated outfielder Melvin Upton Jr. from the disabled list. - - - Atlanta Braves outfielder/third baseman Kelly Johnson, sidelined for three weeks with a right oblique strain, will get a minor league rehab assignment with Triple-A Gwinnett on Monday. - - - Cleveland Indians owner Paul Dolan had his head shaved by infielder Mike Aviles, joining several players and coaches who have shaved their heads in support of Aviles' daughter Adriana, who is battling leukemia. - - - Texas Rangers right-hander Ross Ohlendorf was placed on the disabled list with a right groin strain. Right-hander Spencer Patton was recalled from Triple-A Round Rock, where he had a 0.53 ERA and five saves. - - - Kansas City Royals left-hander Danny Duffy, who is on the disabled list with biceps tendinitis, will make a rehab start Tuesday for Triple-A Omaha with a 50-limit pitch count. - - - Detroit Tigers right-hander Justin Verlander struck out nine and allowed one earned run on five hits in a 5 2/3-inning rehab start at Toledo on Saturday. (Editing by Andrew Both)