Back to the '70s ESPN Classic will present "Back to the '70s Week Monday, Jan. 21 - Friday, Jan. 27. Hosted by "Welcome Back Kotter's" Gabe Kaplan, the lineup will feature some of the greatest games and personalities of the decade. Growing up in New Jersey in the '70s, I thought Walt Frazier, long hair and LPs were forever writes Jeff Merron. Chat: Gabe Kaplan - Tue. 2 ET Chat: Tony Dorsett - Tue. 2:30 ET

Mark McGwire (l) and Sammy Sosa spent the summer of '98 chasing Roger Maris' home run mark of 61.

ESPN Classic's Back to the '70s Week Monday, Jan. 21 - Friday, Jan. 25 All times Eastern Monday 8 p.m. - SportsCentury: Reggie Jackson 9 p.m. - '73 World Series, Game 7: New York Mets @ Oakland A's Tuesday 8 p.m. - SportsCentury: Bobby Orr 9 p.m. - '74 Heavyweight Title Bout: Muhammad Ali vs. George Foreman 10 p.m. - '71 Heavyweight Title Bout: Muhammad Ali vs. Jurgin Blin Wednesday 8 p.m. - SportsCentury: Jimmy Connors 9 p.m. - SportsCenter of the Decade: 1970s Thursday 8 p.m. - SportsCentury: Bill Walton 9 p.m. - 1977 NCAA Title Game: Marquette vs. North Carolina Friday 8 p.m. - SportsCentury: Secretariat 9 p.m. - College Football: Michigan vs. Ohio State (1974)

1970s Gridiron and Hardwood Champions Sport 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 NFL Colts Cowboys Dolphins Dolphins Steelers Steelers Raiders Cowboys Steelers Steelers NBA Knicks Bucks Lakers Knicks Celtics Warriors Celtics Blazers Bullets Sonics

1970s Ballpark and Ice Champions Sport 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 MLB Orioles Pirates A's A's A's Reds Reds Yankees Yankees Pirates NHL Bruins Habs Bruins Habs Flyers Flyers Habs Habs Habs Habs

Features Caple: The summer of McGwire Mark McGwire was born two years to the day after Roger Maris hit his 61st home run, and the two have been paired ever since writes Jim Caple. Klapisch: Big Mac keeps memories alive Every day, every home run, practically every at-bat, the nation's crush on Mark McGwire grows wrote ESPN.com's Bob Klapisch. It's a long ways from '91 On the day he celebrated his 70th HR of the 1998 season, McGwire remembers the lows of 1991.

Columns Roberts: What must they be thinking? "I was assigned to do a story on Sosa's background and upbringing," wrote Jimmy Roberts. "I came looking for a sports story. I'm not sure if that's really what I found." Sosa talks history ESPN's Peter Gammons sat down with Sosa to discuss his mental approachs and his impact on all of Latin America Roberts: Another nation's pastime From sea to shining sea, the breathless chase of history captivated a nation. Mark McGwire may have gotten there first, but he can't claim all the fans.