When a noticeably slimmed-down Ray Lewis showed up at Ravens training camp in late July weighing less than he has since his rookie year in 1996, the linebacker had a simple explanation.
Throughout his Hall of Fame career, Lewis had watched the power running game gradually get pushed aside for spread offenses with precision passers in the shotgun and four or five nimble receivers — some being tall, athletic, matchup-busting tight ends — dotting the line of scrimmage.
"The game is changing," he said. "There ain't no more 250-, 260-pound fullbacks."
They aren't extinct yet, though.
Whenever Lewis scans the Ravens' sideline and spots Vonta Leach — a...