Photos: Friday at AugustaAnother spectacular day at Augusta National Golf Club on Friday yielded another batch of spectacular images. Check out the best images from the second round at the 75th Masters. See images... See our gallery of the honorary starters See all our galleries from Augusta National Photo:Getty Images In Other News Quiros ends fabulous day with share of lead at Masters Alvaro Quiros had a little bit of everything Thursday afternoon -- length off the tee, soft shots around the greens, touch with the putter and a new attitude. It all added up to his best round ever at Augusta by 10 shots. Related: Fowler goes green, works his way into red numbers Choi picks up right where he left off -- in contention K.J. Choi tied for fourth at the Masters last year, and opened this year tied for third. He's developed a real comfort level at Augusta National, and is going with a unique choice of clubs in his bag this week. Related: Yang two holes from great round, still tied for third Mickelson scrambles to 70, but knows his game needs work Phil Mickelson hit only four fairways Thursday, yet didn't make a bogey until the final hole. His vaunted short game saved him again, but he let several good birdie chances slip by and knows he must do better. Related: Woods fairly pleased with his opening 71 Kuchar keeps his hot hand going Anybody surprised that Matt Kuchar went out Thursday and put his name on the front page of the leaderboard? Kuchar certainly isn't. After all, he's got six top-10 finishes in his eight starts this year. Related: Out-of-body experience slows Wilson Kaymer shoots 78, puts world No. 1 ranking in play Martin Kaymer didn't play like the No. 1 golfer in the world on Thursday, as only a few competitors shot worse than his opening 78. If he continues to struggle, any one of five players could take the top spot from him. Related: Harrington's round ruined by real pain in the neck Rule revised to spare some from DQs in 'trials by TV' After multiple infractions reported by TV viewers, the USGA and R&A have revised their rules so that players who learn of a violation after they sign their cards can be penalized without being disqualified. Related: Take a tour of the course at Augusta National Here's all you need to know about the Masters Our experts have scanned the stats, run the numbers, analyzed all the data and even made a few educated guesses as to what'll happen this week. Check out our picks, power rankings, momentum charts, and more. Related: Power rankings | Expert picks | Who's got momentum Victory in 1986 still resonates with both Nicklaus and fans Jack Nicklaus admits he didn't prepare for the 1986 Masters as thoroughly as he did during his prime. But once he got into contention, he says now, he found both the form and the drive that made him so great. Related: Son recalls final day | Lyle learned | From the TV booth A top instructor's guide to taming Augusta National Mark Immelman, a top instructor, the head men's golf coach at Columbus (Ga.) State University and the brother of 2008 Masters champion Trevor Immelman, tells you how to solve Augusta National. Related: Take a hole-by-hole tour of Augusta National Golf Club