stars, and were held out of Thursday's practice Zach Duke Jersey nursing injuries, according to coach Kyle Shanahan. However, each player will have a chance at being available to play in Monday night's game against the , . Shanahan said McCaffrey had an "encouraging" MRI and is considered day to day.None of the injuries are considered serious, per the report. McCaffrey left Sunday's lo s to the with an oblique injury, while Samuel and Williams suffered shoulder and ankle injuries during the 49ers' first setback of the season. McCaffrey and Williams rarely participate during the week's first practice, so Addison Reed Jersey Friday and Saturday's practice statuses will provide a better idea of each players' po sible availability for Monday's game.To say that each player is a significant part of the 49ers'offense would be a pretty big understatement. McCaffrey already has over 700 yards and nine touchdowns this season. Samuel is second on the 49ers in receiving yards and third in rushing. Williams, even at age 35, is considered arguably the best left tackle. Pick Six Newsletter Crafted By The Best NFL Experts Get the day's big stories + fun stuff you love like mock drafts Anibal Sanchez Jersey , picks and power rankings. I agree to receive the "Pick Six Newsletter" and marketing communications, updates, special offers (including partner offers), and other information from CBS Sports and the Paramount family of companies. By pre sing Minnesota Twins Custom Jersey sign up, I confirm that I have read and agree to the and acknowledge Paramount's . Please check the opt-in box to acknowledge that you would like to subscribe. Thanks for signing up! Keep an eye on your inbox. Sorry! There was an error proce sing your subscription. While they need each player to po sibly win the , the 49ers have the depth to get by in the interim. and are capable fill ins for McCaffrey at running back. Phil Hughes Jersey and are a formidable receiving duo. Lineman has made 30 career regular season appearances that includes five starts. San Francisco (5-1) will look to get back on track Monday a Vikings team that will be without injured star receiver .