The definitely don't sound too excited about playing on the turf at MetLife Stadium for the second straight Tanner Muse Jersey week on Sunday, but they're not going to have a choice, and that's because both the and NFLPA have approved the playing surface after checking it out on Wednesday.A league source told CBSSports.com's Jonathan Jones that the turf has been deemed "good to go" following an investigation by both the NFL and NFLPA. The league decided to investigate the playing surface after the 49ers at MetLife Stadium on Sunday.During their 31-13 win over the , the 49ers saw several key players go down, including , , and . Following the game against the Jets, one 49ers players ( ) flat out blamed the "trash" turf for all of the team's injuries. fix this trash met life turf . 2020 is so wack Arik Armstead (@arikarmstead) Although Armstead was blunt with his a se sment, other members of the organization were more diplomatic. 49ers coach Kyle Shanahan didn't directly blame the turf, but he did hint Bryan Mone Jersey that he thought it might have been an i sue. "That's as many knee injuries and ankle stuff and people getting caught on the turf as I've even been a part of," Shanahan said after the game. "I know our players talked about it the entire game, just how sticky the turf was. Unfortunately it's a place we got to go back to next week."This was a big i sue for the 49ers since they're scheduled to play at MetLife Stadium for the second straight week as they'll be the visiting team against the on Sunday.The turf at MetLife Stadium was by an independent field inspector on Sept. 12, just before the start of the 2020 NFL season. The turf at the stadium was just installed this offseason, which means the first game played on it came in Week 1 when the Giants hosted the . So far, a total four teams have played on the Sidney Jones IV Jersey surface and the 49ers are the only ones that have had an i sue with it. Due to that fact, there was some speculation that maybe it was a team i sue — with the 49ers po sibly wearing cleats that didn't mesh well with the surface — and that's something that Shanahan was actually asked about this week."We'll look into everything this week, but you're talking about stuff gripping and stuff too much," the 49ers coach said Monday, via quotes distributed by the team. "I would think the only thing you Lofa Tatupu Jersey could do is take off cleats, which isn't fun either. Hopefully we'll get something from the NFL that makes us feel better about that, but I know the players and our equipment guys will be looking at everything po sible to help us with that turf."Based on what 49ers players have said, new turf can be sticky, and since this was just the second game for the new surface, that's the likely explanation for why they had so any i sues. "It's always pretty tricky to play on new turf Gabe Jackson Jersey until it's nice and ," veteran offensive lineman said following the Jets game, via NBC Bay Area. "You never want to blame the injuries on that, but you kind of put your foot down in the ground in natural gra s, it gives a little bit."With the NFL now approving the surface, that means the 49ers are going to have to deal with the turf on Sunday whether they like it or not.