"[It was] the first BP that I threw in almost a year, so I'm real happy with the results," Rivera said. "It will get better. "This is the first BP I'm throwing in almost a year, so I'm real happy with the results.'' As for his stuff, Rivera said, "It will get better. Rivera's main concern, however, is not with his pitches so much as his ability to come off the mound quickly in game situations on his surgically repaired knee. That's one thing I never worry about. It didn't take no vacation. It's still there. It hasn't gone nowhere.'' TAMPA, Fla. Mariano Rivera was excited not nervous to face his first hitters since last April 30, three days before he tore his right anterior cruciate ligament while shagging fly balls in Kansas City. There's only so much that can be determined from a 20-pitch batting-practice session, of course, but Major League Baseball's all-time saves leader looked like his old self and reported feeling good about how it went.