Some of the best college football players in the country will showcase their skills at the 2015NFL Draft Combine at Lucas Oil Stadium in Indianapolis, Indiana from Feb. 17-23. NFL Network will air live workouts Feb. 20-23.The official invitee list will be available the first week of February, but expect to see top prospects such as Florida State's Jameis Winston and Oregon's Marcus Mariota throw during on-field Shaq Lawson Youth Jersey workouts Saturday, Feb. 21. Winston and Mariota could decline the Trent Taylor Women Jersey invitation to participate, however, much like2014 first round picks Johnny Manziel and Teddy Bridgewater.MORE: | | PHOTOS: NFL Draft Combine scheduleGroup 1 (PK, ST, OL), Group 2 (OL), Group 3 (TE)Tuesday, Feb. 17 travel, registration, hospital pre-exam, orientation, interviewsWednesday, Feb. 18 measurements, medical examinations, media, interviewsThursday, Feb. 19 NFLPA meeting, psychological testing, bench pre s, interviewsFriday, Feb. 20 on-field workouts (timing, stations, skill drills)Group 4 (QB, WR), Group 5 (QB, WR), Group 6 (RB)Wednesday, Feb. 18 travel, registration, hospital pre-exam, orientation, interviewsThursday, Feb. 19 measurements, medical examinations, media, interviewsFriday, Feb. 20 NFLPA meeting, psychological Taylor Moton Jersey testing, bench pre s, interviewsSaturday, Feb. 21 on-field workouts (timing, stations, skill drills)Group 7 (DL), Group 8 (DL), Group 9 (LB)Thursday, Feb. 19 travel, registration, hospital pre-exam, orientation, interviewsFriday, Feb. 20 measurements, medical examinations, media, interviewsSaturday, Feb. 21 NFLPA meeting, psychological testing, bench pre s, interviewsSunday, Feb. 22 on-field Trayvon Mullen Jersey workouts (timing, stations, skill drills)Group 10 (DB), Group 11 (DB)Friday, Feb. 20 travel, registration, hospital pre-exam, orientation, interviewsSaturday, Feb. 21 Ty Johnson Jersey measurements, medical examinations, media, interviewsSunday, Feb. 22 NFLPA meeting, psychological testing, bench pre s, interviewsMonday, Feb. 23 on-field workouts (timing, stations, skill drills)Thisschedule includes a small change from past years, as the 2015 NFL Draft Combine will begin a day earlier, moving skill position player workouts to Saturday, Feb. 21.