The FedEx St. Jude Cla sic is largely considered a U.S. Open tune-up forplayers who need an extra week to improve their games. This year is no exception, as plenty of big names who arestruggling to find their form are in attendance.TPC Southwind in Memphis, Tenn., often favors the game's longer hitters. Dustin Johnson, one of those long hitters, Max Muncy Jersey is one of theheadliners in the field. He is ranked seventh in the world and he wonthis event in 2012.MORE: | | Here are this week's groups to watch:Ben Crane, Dustin Johnson, Steven BowditchCrane is the defending championbut finds himself in abysmal form with no top 25s and eight mi sed cuts in 14 starts. Johnson, on the other hand, has Alex Wood Jersey eight top 17 finishes and awin (WGC-Cadillac Championship) in 12 starts this season. Bowditch is still riding the high off his win two weeks ago at the AT&T Byron Nelson.Tee times: 8:40 a.m. ET Thursday off No. 10; 1:40 p.m. ET Friday off No. 1.Webb Simpson, Padraig Harrington, Billy HorschelSimpson's playing in his first tournament since a tie for Walker Buehler Jersey second at the Wells Fargo. His swing and putting stroke looked good on his home course. Harrington resurrected his career with a playoff win at the Honda Cla sic earlier this year but hasn't finished in the top 40 in eight starts since Los Angeles Dodgers Jersey . Horschel's game seems to be peaking (T17, T13, T11 in his last three starts) at the right time.Tee times: 1:50 p.m. ET Thursdayoff No. 1; 8:50 a.m. ET Friday off No. 10.Graeme McDowell, Retief Goosen, Phil MickelsonMickelson comes in looking to clean up some things before his quest for the career Grand Slam at next week's U.S. Open. Goosen, 46, has shown flashes of his old formbut hasn't been able to put together four solid rounds. McDowell is off to a dreadful start to the season, dropping from 15th to 43rd in World Golf Rankings in the past seven months.Tee times: 8:50 a.m. ET Thursday off No. 10; 1:50 p.m. Chris Taylor Jersey ET Friday off No. 1.