MINNEAPOLIS — Without raising his voice or pounding the table, San Antonio Spurs coach Mitch Johnson made clear he was infuriated Sunday night. Shortly after falling 114-109 on the road in Game 4 of the Western Conference Semifinals against the Minnesota Timberwolves, Johnson voiced his displeasure toward the evening's officiating: Victor Wembanyama was ejected with 8:39 to play in the second quarter due to a Flagrant 2 called following his elbow strike to Timberwolves center Naz Reid's neck. Johnson's irritation stemmed from what he felt was a lack of protection from "the people in charge of controlling the game and protecting (its) physicality." "At some point, he's going to have to protect himself," Johnson said. "We've been asking (the referees) to do that now for a while ... the lack of protection is really disappointing.…