Please use Chrome browser for a more accessible video player What had been a largely uneventful encounter for 70 minutes became a barrage from the Blades thereafter, with the key moment coming when ex-United goalkeeper Simon Moore made a miraculous late save to keep out Morgan Gibbs-White's shot from point-blank range. The 49ers needed just 71 seconds with which to issue a response as Garoppolo linked up with Samuel for a 14-yard touchdown, only to fail with the two-point conversion attempt to leave themselves trailing 20-18. McIlroy admitted he had been battling swing issues that first emerged after "speed training" sessions last autumn. But why did he feel the need to add speed and distance?