The Memphis Grizzlies announced Thursday that guard Tony Allen will be out indefinitely with a right calf strain, and a source told ESPN's Tim MacMahon that the veteran is unlikely to play in the team's opening-round series against the San Antonio Spurs. Allen suffered the injury during the first quarter of Memphis' 100-93 loss to the Dallas Mavericks in Wednesday's regular-season finale, when he was inadvertently kicked in the calf. The team announced that Allen will be continually re-evaluated, "while beginning rehab immediately." The team also announced it would provide further updates as more information becomes available. Read more http://www.espn.com/nba/story/_/id/...s-guard-tony-allen-indefinitely-strained-calf