PHOTOPHOTOGRAPH BY MATT SLOCUM APThe Imitation Jam St. John's sophomore guard Rysheed Jordan called to mind his name- and number-sake with a Jumpman-like posterization of Villanova guard Dylan Ennis last Saturday in Philadelphia. The 6'4" Jordan finished with a team-high 21 points in a 105--68 loss to the fourth-ranked Wildcats. PHOTOPHOTOGRAPH BY PETER READ MILLER SPORTS ILLUSTRATEDSan Francisco Giant 49ers inside linebacker Patrick Willis (52) was set to announce his retirement from the NFL on Tuesday after eight seasons, the first seven as a Pro Bowler. Though only 30, Willis has been hampered by a left toe injury, which caused him to miss 10 games last season. PHOTOPHOTOGRAPH BY RON JENKINS TNS/ZUMAPRESS.COMPower of Balance Simone Biles of the U.S. put on a dominant display at the American Cup last Saturday in Arlington, Texas, placing first in all four events before 10,383 fans at AT&T Stadium. Biles, 17, the two-time defending all-around world champion, scored a meet-record 62.299 points to defeat teammate MyKayla Skinner. Oleg Verniaiev of Ukraine was the men's winner.