How many World Series titles did the Red Sox not lose during the 21st century so far?
4
1
2
1
2
1
2
1
4
2
1
4
2
1
4
2
1
4
2
1
3
4
2
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
4
2
5
1
3
0
4
2
5
1
3
0
4
2
5
1
3
4
0
2
5
1
3
6
4
2
5
1
3
6
0
7
4
8
2
5
3
6
7
0
4
8
5
3
6
7
4
8
5
3
6
7
4
8
5
3
6
7
8
9
5
10
3
6
7
8
9
5
10
3
6
7
8
9
5
10
3
6
7
13
8
9
5
10
6
7
13
8
9
5
10
6
7
13
8
9
10
6
7
13
14
8
9
10
6
7
12
13
14
8
9
10
6
7
12
13
14
8
9
10
6
7
12
13
14
8
9
10
6
7
12
13
11
14
8
9
10
6
7
12
13
11
14
8
9
10