"Anytime I sit for a handful of days I feel good as gold," Robertson said. "I think it will be rest a little while, play catch and get a bullpen and get right back in there."
Yankees closer Robertson headed to disabled list →
"It's really disappointing," Robertson said Monday after New York beat Baltimore 4-2 in its home opener. "I would've loved to have been out there pitching the ninth today, especially on opening day here."