An untidy first period produced few clear chances, with both sides entering the interval on level terms.
Betis were reduced to 10 men just before the hour mark, however, when Braian Rodriguez was given his marching orders.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
BETIS: Adan; Chica, Amaya, Paulao, Jordi; Juanfran, Reyes, N'Diaye, Carlos; Braian; Molina
ATLETICO: Courtois; Juanfran, Miranda, Godin, Luis; Koke, Suarez, Gabi; Garcia, Costa, Turan
3 - Diego Costa has scored in the last 3 meetings between these sides, with all 3 goals coming between the 55th and 65th minute. Opportunity— OptaJose (@OptaJose) March 23, 2014
PHOTO: Paulao goes in heavy on Diego Costa pic.twitter.com/kyV2Nobl4p— AS English (@English_AS) March 23, 2014