Saints' Allen praises Dalton, but won't rule out Winston

New Orleans Saints head coach Dennis Allen reacts on the sidelines during an NFL match between Minnesota Vikings and New Orleans Saints at the Tottenham Hotspur stadium in London, Sunday, Oct. 2, 2022. (AP Photo/Kirsty Wigglesworth)

Minnesota Vikings wide receiver Justin Jefferson (18) is tackled by New Orleans Saints cornerback Marshon Lattimore (23) during an NFL match between Minnesota Vikings and New Orleans Saints at the Tottenham Hotspur stadium in London, Sunday, Oct. 2, 2022. (AP Photo/Kirsty Wigglesworth)

Minnesota Vikings wide receiver Justin Jefferson (18) is tackled by New Orleans Saints cornerback Marshon Lattimore (23) during an NFL match between Minnesota Vikings and New Orleans Saints at the Tottenham Hotspur stadium in London, Sunday, Oct. 2, 2022. (AP Photo/Frank Augstein)

New Orleans Saints quarterback Andy Dalton (14) makes a pass to wide receiver Chris Olave (12) to score a touchdown during the second quarter of an NFL match between Minnesota Vikings and New Orleans Saints at the Tottenham Hotspur stadium in London, Sunday, Oct. 2, 2022. (AP Photo/Frank Augstein)

New Orleans Saints running back Latavius Murray (28) celebrates after scoring a touchdown during the third quarter of an NFL match between Minnesota Vikings and New Orleans Saints at the Tottenham Hotspur stadium in London, Sunday, Oct. 2, 2022. (AP Photo/Kirsty Wigglesworth)