If Travis Kelce starts going off in the next couple weeks, John Salley says Chiefs fans can thank Taylor Swift for it ... telling TMZ Sports he believes a committed relationship with the pop star will help the tight end's game tremendously.
As for why ... the four-time NBA champion says it's simple -- Kelce spending his time with just one woman going forward this year will free him up to focus way more on ball.
"He now doesn't have to worry about 100 DMs," Salley told us out in Los Angeles this week, "or making sure certain girls got tickets.